Assistant Teaching Professor

Cornell University Systems Engineering Program

Ithaca, NY

2025 - Present

• Teach 3+ graduate courses yearly in Systems Engineering, including Data Science for Socio-Technical Systems, Statistics Bootcamps, Systems Reliability & Six Sigma,, and Research Projects for Masters of Engineering Student Teams.
• Lead student research teams developing dashboards, APIs, cloud computing systems, and AI models for transportation emissions and environmental policy.
• Develop open-source educational resources and coding tutorials in R, Python, and MATLAB.

Ezra Systems Research Associate

Cornell University Systems Engineering Program

Ithaca, NY

2023 - 2025

• Lead Climate Action in Transportation dashboard research at Gao Labs
• Lab Manager for Gao Labs.
• Teach 2~3 courses a year on Statistical Methods, and advise Masters student research teams.

Grant Coordinator for Center for Transportation, Environment, and Community Health (CTECH)

Cornell University

Ithaca, NY

2022 - 2023

• Administer multimillion dollar research grant from US Dept. of Transportation. Coordinate grant reporting and deliverables from dozens of researcher teams at 4 recipient universities.

Ezra Systems Postdoctoral Research Associate

Cornell University Systems Engineering Program

Ithaca, NY

2022 - 2023

Instructor, Quantitative Techniques & Research Methods

Northeastern University Political Science Department

Boston, MA

2020 - 2022

Graduate Teaching Assistant, Political Science

Northeastern University Political Science Department

Boston, MA

2017 - 2019

Ph.D. in Political Science _{(Public Policy & Comparative Politics)}

Northeastern University
Advisors: Daniel Aldrich, David Lazer

Boston, MA

2022

M.A. in Political Science _{(Public Policy)}

Northeastern University
Advisor: Daniel Aldrich

Boston, MA

2019

Fulbright Fellowship _(Geography)

Kyushu University
Advisor: Yoshioka Hitoshi

Fukuoka, Japan

2016-2017

B.A. in International & Global Studies _{(East Asian Studies)}

Middlebury College (summa cum laude)
Advisors: Linda White, Max Ward

Middlebury, VT

2016

A first look into congestion pricing in the United States: PM2.5 impacts after six months of New York City cordon pricing

npj Clean Air 1 (2025), 39.

N/A

2025

Timothy Fraser, Yeonkyeong Gina Park, Danni Lu, Mohammad Tayarani, Haiyan Deng, & H. Oliver Gao

Cycling cities: Measuring urban mobility mixing in bikeshare networks

Journal of Transport Geography 126 (2025), 104223.

N/A

2025

Timothy Fraser, Katherine Van Woert, Sophia Olivieri, Jonathan Baron, Katelyn Buckley, & Pamela Lalli

Driving climate action with the VISUALIZER: A dashboard for transportation emissions data analysis & visualization

Urban Climate 61 (2025), 102459.

N/A

2025

Timothy Fraser & H. Oliver Gao

Machine learning in spatiotemporal PM2.5 hotspots analysis for better targeted mitigation strategies

Transportation Research Part D: Transport and Environment 148 (2025), 105017.

N/A

2025

Danni Lu, Alireza Yazdiani, Timothy Fraser, Mohammad Tayarani, & H. Oliver Gao

Mapping green communities: Resources for measuring grassroots environmental organizing in Japan

Energy Research & Social Science 127 (2025), 104232.

N/A

2025

Timothy Fraser & Pinar Temocin

Networks in crisis: Measuring ethnic stratification and organizational reach post-disaster

International Journal of Disaster Risk Reduction 125 (2025), 105561.

N/A

2025

Timothy Fraser, Jennifer Shea, Daniel Homsey, & Daniel P. Aldrich

Who’s at the table? Disaster committee composition and policy pathways after Hurricane Sandy

Journal of Environmental Management 393 (2025), 127089.

N/A

2025

Timothy Fraser, Lucy Hewitt, Jessica Chen, Matthew Cherkerzian, Vincent Rago, & Daniel P. Aldrich

A City of Two Tales: A Quantitative Analysis of Vulnerability, Connectedness, and Resilience in Cloverdale, CA

International Journal of Disaster Risk Reduction (2024), in press.

N/A

2024

Timothy Fraser, Aayushi Mishra, Osama Awadalla, Jennifer Shea, Daniel Homsey, Daniel P. Aldrich

A tale of many cities: Mapping social infrastructure and social capital across the United States

Computers, Environment, & Urban Systems 114 (2024), 102195.

N/A

2024

Timothy Fraser, Osama Awadalla, Harshita Sarup, & Daniel P. Aldrich

County-level political group density, partisan polarization, and individual-level mortality among adults in the United States: A lagged multilevel study.

Social Science & Medicine - Population Health 26 (2024), 101662.

N/A

2024

Sameera Nayak, Timothy Fraser, Daniel P. Aldrich, Costas Panagopoulos, & Daniel Kim

Democracy in distress Examining 2020 general election voting behavior in the Greater Boston Area during the COVID-19 pandemic

International Journal of Disaster Risk Reduction 112 (2024), 104749.

N/A

2024

Courtney Page-Tan, Miranda Bourdeau, & Timothy Fraser

How far I’ll go: Social infrastructure accessibility and proximity in urban neighborhoods.

Landscape and Urban Planning 241 (2024), 104922.

N/A

2024

Timothy Fraser, Olivia Feeley, Andres Ridge, Ava Cervini, Vincent Rago, Kelly Gilmore, Gianna Worthington, & Illana Berliavsky.

Making MOVES move: Fast emissions estimates for repeated transportation policy scenario analyses.

Environmental Modelling and Software 178 (2024), 106084.

N/A

2024

Timothy Fraser, Yan Guo, & H. Oliver Gao

The great equalizer? Mixed effects of social infrastructure on diverse encounters in cities

Computers, Environment, & Urban Systems 113 (2024), 102173.

N/A

2024

Timothy Fraser, Takahiro Yabe, Daniel P. Aldrich, & Esteban Moro

Elections and Post Traumatic Stress: Evidence from the 2020 U.S. Presidential Election.

Politics and the Life Sciences (2023), 1-59.

N/A

2023

Timothy Fraser, Costas Panagopoulos, & Kevin Smith.

Leapfrogging or Lagging? Drivers of Social Equity from Renewable Energy Transitions Globally.

Energy Research & Social Sciences 98 (2023), 103006.

N/A

2023

Timothy Fraser, Andrew J. Chapman, & Yosuke Shigetomi.

Opposing Views: Associations of Political Polarization, Political Party Affiliation, and Social Trust with COVID-19 Vaccination Intent and Receipt.

Journal of Public Health 45(1) (2023), 35-39.

N/A

2023

Andrew Dolman, Timothy Fraser, Costas Panagopoulos, Daniel P. Aldrich, & Daniel Kim.

Better together? The role of social capital in urban social vulnerability.

Habitat International 124 (2022), 102561.

N/A

2022

Timothy Fraser & Nicole Naquin

Bridging the Divide: Does Social Capital Moderate the Impact of Polarization on Health?

Political Research Quarterly 75(3) (2022), 875-891.

N/A

2022

Costas Panagopoulos, Timothy Fraser, Daniel P. Aldrich, Daniel Kim, & David Hummel.

COVID-19 To Go? The Role of Disasters and Evacuation in the COVID-19 Pandemic.

Global Environmental Change 73 (2022), 102471.

N/A

2022

Courtney Page-Tan and Timothy Fraser.

Do All Roads Lead to Sapporo? The Role of Linking and Bridging Ties in Evacuation Decisions.

Ecology & Society 27(2) (2022), 3.

N/A

2022

Timothy Fraser, Daniel P. Aldrich, & Larissa Morikawa.

Field Research When There Is Limited Access to the Field: Lessons from Japan.

PS: Political Science & Politics (2022), 1-7.

N/A

2022

Kenya Amano, Melanie Sayuri Dominguez,* Timothy Fraser, Etienne Gagnon, Trevor Incerti, Jinhyuk Jang, . . . & Charles Crabtree.

Fleeing the Unsustainable City: Soft Policy and the Janus-Faced Nature of Social Capital in Evacuation Networks.

Sustainability Science 17 (2022), 1995-2011.

N/A

2022

Timothy Fraser

Leaders or Networkers? The Role of Mayors in Renewable Energy Transition.

Environmental Innovations & Societal Transitions 42 (2022), 301-316.

N/A

2022

Timothy Fraser, Mary Bancroft, Andrew Small, & Lily Cunningham.

Social Capital’s Impact on COVID-19 Outcomes at Local Levels

Nature Scientific Reports 12 (2022), 6566.

N/A

2022

Timothy Fraser, Courtney Page-Tan, and Daniel P. Aldrich.

The Harmful Effects of Partisan Polarization on Health.

PNAS Nexus 1 (1) (2022), pgac011.

N/A

2022

Timothy Fraser, Daniel Aldrich, Costas Panagopoulos, David Hummel, and Daniel Kim.

The Road More Traveled: Evacuation Networks from 10 disasters in the US and Japan.

Environment & Behavior 54(4) (2022), 833-863.

N/A

2022

Timothy Fraser

Trust but Verify: Validating New Measures for Mapping Social Infrastructure in Cities.

Urban Climate 46 (2022), 101287.

N/A

2022

Timothy Fraser, Napuck Cherdchaiyapong, Winta Tekle, Erin Thomas, Joel Zayas, Courtney Page-Tan, & Daniel P. Aldrich.

Uneven paths: Soft Policy’s benefits to recovery in Louisiana Parishes after Hurricanes Katrina and Rita.

Journal of Environmental Management 321 (2022), 115722.

N/A

2022

Timothy Fraser, Alex R. Poniatowski, Nicholas Hersey, Haoran Zheng, & Daniel P. Aldrich.

Bowling alone or distancing together? The role of social capital in excess death rates from COVID19.

Social Science & Medicine 284 (2021), 114241.

N/A

2021

Timothy Fraser, Daniel P. Aldrich, & Courtney Page-Tan.

Build back better? Effects of crisis on climate change adaptation in Japan and the US.

Global Environmental Politics 21(1), 54-75.

N/A

2021

Timothy Fraser, Lily Cunningham, & Amos Nasongo.

Connecting Social Capital and Vulnerability: A Citation Network Analysis of Disaster Studies.

Natural Hazards Review 22(3) (2021), 1527-6996.

N/A

2021

Timothy Fraser, Daniel P. Aldrich, & Andrew Small.

Does Social Capital Boost or Block Renewable Energy Siting? South African Solar Politics in Comparison.

Energy Research & Social Science 71 (2021), 101845.

N/A

2021

Timothy Fraser.

Grassroots vs. Greenhouse: The Role of Environmental Organizations in Reducing Carbon Emissions.

Climatic Change 169(22) (2021), 1-21.

N/A

2021

Timothy Fraser & Pinar Temocin.

In the Hands of a Few: Disaster Recovery Committee Networks.

Journal of Environmental Management 280 (2021), 111643.

N/A

2021

Timothy Fraser, Daniel P. Aldrich, Andrew Small, & Andrew Littlejohn.

Is Divisive Politics Making Americans Sick? Associations of Perceived Partisan Polarization with Physical and Mental Health Outcomes Among Adults in the United States.

Social Science & Medicine, 284 (2021), 113976.

N/A

2021

Sameera Nayak, Timothy Fraser, Costas Panagopoulos, Daniel P. Aldrich, & Daniel Kim.

Japanese Social Capital and Social Vulnerability Indices: Measuring Drivers of Community Resilience 2000-2017.

International Journal of Disaster Risk Reduction 52 (2021), 101965.

N/A

2021

Timothy Fraser

Rumor has it: The role of social ties and misinformation in evacuation to nearby shelters after disaster.

Climate Risk Management 33 (2021), 100320.

N/A

2021

Timothy Fraser, Larissa Morikawa, & Daniel P. Aldrich

Seawalls or social recovery? The role of policy networks and design in disaster recovery.

Global Environmental Change 70 (2021), 102342.

N/A

2021

Timothy Fraser, Daniel P. Aldrich, & Andrew Small.

The dual effect of social ties on COVID-19 spread in Japan.

Scientific Reports 11(1) (2021).

N/A

2021

Timothy Fraser & Daniel P. Aldrich

Climate Crisis at City Hall: How Japanese communities mobilize to eliminate emissions.

Environmental Innovations and Societal Transitions 37 (2020), 361-380.

N/A

2020

Timothy Fraser, Lily Cunningham, Mary Bancroft, Amy Hunt, Eri Lee, & Amos Nasongo.

Drivers of social equity in renewable energy at the municipal level: The case of local Japanese energy policy and preferences.

Journal of Environmental Policy and Planning 22(3) (2020), 397-412.

N/A

2020

Timothy Fraser & Andrew J. Chapman.

Japan’s Resilient, Renewable Cities: How Socioeconomics and Local Policy drive Japan’s Renewable Energy Transition.

Environmental Politics 29(3) (2020), 500-523.

N/A

2020

Timothy Fraser.

Role of energy finance in geothermal power development in Japan.

International Review of Economics and Finance 70 (2020), 398-412.

N/A

2020

Taghizadeh-Hesary, Farhad, Aline Mortha, Hadi Farabi-Asl, Tapan Sarker, Andrew Chapman, Yosuke Shigetomi, & Timothy Fraser.

The Fukushima Effect at Home: The changing role of domestic actors in Japanese energy policy.

WIREs Climate Change 11(5) (2020), e655.

N/A

2020

Timothy Fraser & Daniel P. Aldrich.

How do disasters affect individuals’ social ties? The impacts of disaster experiences and the perceived risks of disasters on participation in voluntary associations.

International Journal of Disaster Risk Reduction 34 (2019), 108-115.

N/A

2019

Juheon Lee & Timothy Fraser

How Governance and Disasters shape Renewable Energy Transitions: The case of Japanese mega-solar.

Social Science Quarterly 100(3) (2019), 975-990.

N/A

2019

Timothy Fraser.

Investigating Ties between Energy Policy and Social Equity Research: A Citation Network Analysis.

Social Sciences 8 (5) (2019), 135.

N/A

2019

Andrew J. Chapman, Timothy Fraser, & Melanie Dennis.

Japan’s Mega Solar Boom: Quantifying Social Equity Expectations and Realities at the Local Scale.

Sustainability Science 14 (2019), 355-374.

N/A

2019

Andrew Chapman & Timothy Fraser.

Social Equity Impacts in Japan’s Mega Solar Siting Process.

Energy for Sustainable Development 42 (2018), 136-151.

N/A

2018

Timothy Fraser & Andrew Chapman.

All Politics is Local: Judicial and Electoral Institutions’ Role in Japan’s Nuclear Restarts.

Pacific Affairs 90, no. 3, 433-457.

N/A

2017

Daniel P. Aldrich and Timothy Fraser.

Hydrogen Import Pathway Comparison Framework incorporating Cost and Social Preference: Case studies from Australia to Japan.

International Journal of Energy Research 41(14) (2017), 2374-2391.

N/A

2017

Chapman, Andrew, Timothy Fraser, & Kenshi Itaoka.

Social Capital, Mobility, and Evacuation Destinations During the Marshall Fire..

Natural Hazards Center Quick Response Grant Report Series, , 348. Boulder, CO: Natural Hazards Center, University of Colorado Boulder.

N/A

2022

Daniel Aldrich, Courtney Page-Tan, Timothy Fraser, & Takahiro Yabe.

Social Ties, Quarantine Policy, and the Spread of COVID-19..

Natural Hazards Center Quick Response Grant Report Series, , 314. Boulder, CO: Natural Hazards Center, University of Colorado Boulder.

N/A

2020

Daniel Aldrich, Timothy Fraser, Juheon Lee, Courtney Page-Tan, & Toshiaki Yoshida.

It’s Who You Know: How social networks help cities rebuild with renewables after disaster..

In Paola Cavaliere, ed. Handbook of Disaster Studies in Japan. Amsterdam University Press/MHM Limited. (forthcoming)

N/A

2023

Timothy Fraser

Stronger Together: The Critical Role of Bridging and Linking Social Capital in Evacuation Outcomes..

In Paola Cavaliere, ed. Handbook of Disaster Studies in Japan. Amsterdam University Press/MHM Limited. (forthcoming)

N/A

2023

Timothy Fraser

Mapping Resilience: GIS Techniques for Disaster Studies..

In Jason Rivera, ed. Research Methods of Disaster and Emergency Management: Social Science Approaches in Application.

N/A

2021

Courtney Page-Tan, Timothy Fraser, & Daniel P. Aldrich

Social Network Analysis for Disasters..

In Jason Rivera, ed. Research Methods of Disaster and Emergency Management: Social Science Approaches in Application.

N/A

2021

Timothy Fraser, Courtney Page-Tan, & Daniel P. Aldrich.

Social Sustainability in Cities: Urban Energy..

In Alvarez-Risco, A., Rosen, M., Del-Aguila-Arcentales, S, & Marinova, D. Building sustainable cities: Social, Economic and Environmental Factors, Springer-Nature.

N/A

2020

Timothy Fraser & Andrew J. Chapman

East Asia’s Nuclear Policies: Fukushima Effect or a Nuclear Renaissance?.

Georgetown Journal of Asian Affairs 4(2) (2019), 65.

N/A

2019

Timothy Fraser and Daniel P. Aldrich

A Janus Faced Resource: Social Capital and Resilience Trade-offs..

International Risk Governance Council Resource Guide, vol 2.

N/A

2018

Daniel P. Aldrich, Courtney Page-Tan, and Timothy Fraser

Sigma: Coding Tutorials for Statistics, System Reliability, and Six Sigma in R

N/A

2023

archr R package for Enumeration, Evaluation, & Optimization of Complex Systems Architectures

A public R package for mapping all possible ways of building a system, measuring traits of each possible architecture, and conducting search and optimization on the population of architectures. Includes stakeholder network analysis modules. Designed for use with Cornell Systems Architecture course.

N/A

2024

moves_anywhere Docker image for Emissions Estimation

A Docker image for the EPA’s MOVES Emissions Estimation Software and post-processing. While MOVES was built for Windows, moves_anywhere can be run on on any operating system, with a simplified git bash command line interface, for quick, distributed batch computing of emissions scenarios.

N/A

2024

policyoptimizer R Package for selecting optimal county transportation policy scenarios

An R package for transportation emissions policy optimization, focused on US states and counties. Based on Cornell’s server of previous MOVES analyses and the federal CMAQ database of past transportation emissions policies’ cost effectiveness stats.

N/A

2024

VISUALIZER App for Comparing Emissions in US States & Counties

A suite of ShinyApp modules that visualize US state and county emissions from transportation. These include line charts, donut charts, rank charts, multi-line charts, infographics, maps, profile boxes, and more. Alpha Version currently available.

N/A

2024

calculator App for Comparing Emissions Policy Scenarios

A ShinyApp Dashboard that for visualizing and comparing transportation emissions scenarios based on custom user-supplied information about transportation activity levels and fleet composition. Uses my moveslite R package as an engine.

N/A

2023

catr R package for querying EPA’s MOVES software

A proprietary R package for estimating emissions from transportation for US counties, using the EPA’s MOVES software, to support Climate Action in Transportation using R (catr). Extends MOVES functionality by allowing for iterative MOVES runs, with custom policy scenarios and output formatting for easy visualization.

N/A

2023

geoshiny-verse Docker image for Deploying Dashboards

A geospatial-enabled ShinyApp dashboard deployment environment publicly available for any dashboard developer as a Docker image on Dockerhub. Will help anyone deploy a ShinyApp with mapping capabilities. At: https://hub.docker.com/repository/docker/tmf77/geoshiny-verse/general

N/A

2023

moveslite R package for Fast Emissions Estimation

A proprietary R package for speedy approximating county, state, or nation level emissions from custom inputs, using county-specific models of existing default air pollution emissions estimates from the EPA’s MOVES software.

N/A

2023

simulate R package for statistical simulation

R package for tidyverse-friendly statistical simulation, to account for estimation and fundamental uncertainty when simulating quantities of interest from statistical models. At: https://github.com/timothyfraser/simulate

N/A

2023

tidyfault R package for fault tree analysis

R Package for tidy fault tree analysis! Visualizes fault trees, identifies minimal cutsets, and calculates other quantities of interest. At: https://github.com/timothyfraser/tidyfault

N/A

2023

Working Papers

• Cutting Carbon on a Dime: Optimization of Transportation Policy Scenarios for Cost-Effective Emissions Reduction (with Leah Smith, Kaylen Li, Alireza, Yazdiani, Yan Guo, Osama Awadalla, & Oliver Gao)
• AI-Powered Emissions Reporting: Using GPT to Write and Validate Emissions Data Reports for Policymakers (with Peilin Li, Yan Guo, Peculiar Lawrence, Shannya Niveyro, Maria Dobransky, & Leo Kuang)
• Automated Algorithms for converting Emissions Data into Written Reports for Policymakers (with Peilin Li, Leo Kuang, Aarya Darak, Minghao Yang, & Oliver Gao)
• Cloud MOVES for Iterative Emissions Estimation: Architecting a Distributed Cloud Computing System for Transportation Emissions Management (with Oliver Gao)
• Co-benefits of transportation congestion mitigation, air quality improvement, and health implication in U.S. between 1992 and 2022 (with Xinwei Li and Oliver Gao)
• Networked Neighborhoods: The role of Social Infrastructure in Social Connectivity in Urban Systems (with Khushi Patel)
• Where the Grass Is Greener: Social Infrastructure and Resilience to COVID-19.
• Japan’s Green Voters: The Role of Social Capital in Women’s Movements against Nuclear Power Policy
• Boomtown or Bust? Policy Feedback Effects of Controversial Facilities on Social Capital in Japan (with Toshiaki Yoshida)
• Bottom-up or Top-Down? Bridging Academics in the ADVANCE Network for Gender Equity (with Laura K. Nelson and Kathrin Zippel)
• Networks of Solar Cities.

N/A

Cited in Fast Company

23 million fewer vehicles: one year of congestion pricing in New York City. Fast Company (Online News).

N/A

2026

Cited in West Side Spirit

Congestion pricing has raised $550M for MTA, cut traffic too: Hochul. West Side Spirit (Newspaper).

N/A

2026

Cited in The City NYC

Congestion Pricing: Hochul, Mamdani, MTA. The City NYC (Online News), January 5, 2026.

N/A

2026

Cited in The New York Times

Congestion Pricing: One Year Later. The New York Times (Newspaper), January 5, 2026.

N/A

2026

Cited in Vox

Pratik Pawar. Is NYC’s controversial $9 toll working? The data is in.. Vox (Online News), January 7, 2026.

N/A

2026

Cited in New York Governor’s Office

Less Traffic, Better Transit: On Its First Anniversary, Governor Hochul Celebrates Transformational Impact of Congestion Pricing. New York Governor’s Office (Government).

N/A

2026

Cited in CiTTi Magazine

John Thornton. New York congestion pricing cuts Manhattan traffic by 11% in first year as scheme raises more than US$550m for transit upgrades. CiTTi Magazine (Online News), January 7, 2026.

N/A

2026

Cited in SupplyChain247

NYC Congestion Pricing: One Year Results. SupplyChain247 (Online News), January 2, 2026.

N/A

2026

Quoted in The Cool Down

Study uncovers astonishing side effect of first-of-its-kind US traffic law: ‘It’s really exciting’. The Cool Down (Online News).

N/A

2026

Cited in Earthjustice

Advocates Applaud News of Cleaner Air Thanks to Congestion Pricing. Earthjustice (Online News), December 12, 2025.

N/A

2025

Cited in Highlands Current

Around the Region. Highlands Current (Newspaper), December 12, 2025.

N/A

2025

Quoted in Newsday

Congestion pricing air pollution. Newsday (Newspaper).

N/A

2025

Quoted in WNYC (NYC Public Radio)

Congestion pricing has NYC breathing easier. WNYC (NYC Public Radio) (Radio).

N/A

2025

Quoted in Cornell Chronicle

David Nutt. Congestion pricing improved air quality in NYC and suburbs. Cornell Chronicle (Online News), December 8, 2025.

N/A

2025

Cited in News12 Long Island

Congestion pricing linked to lower air pollution across New York City. News12 Long Island (TV).

N/A

2025

Quoted in Gothamist

Stephen Nessen. Congestion pricing makes NYC’s air a bit less filthy, study finds. Gothamist (Online News), December 12, 2025.

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2025

Quoted in Newsweek

Joshua Rhett Miller. New York’s Congestion Pricing Succeeds as Trump Fights to End It. Newsweek (Online News), December 24, 2025.

N/A

2025

Cited in Bloomberg

New York City Congestion Fee Cuts Pollution by 22% in Toll Area. Bloomberg (Online News), December 9, 2025.

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2025

Cited in Crain’s New York

New York Congestion Fee Cuts Pollution 22% in Toll Area. Crain’s New York (Newspaper).

N/A

2025

Quoted in Yale Environment 360

New York congestion pricing pollution. Yale Environment 360 (Online News).

N/A

2025

Quoted in Hell Gate

New Yorkers breathing easier: congestion pricing. Hell Gate (Newspaper).

N/A

2025

Quoted in Phys.org (Geochemical News)

NYC congestion pricing air pollution. Phys.org (Geochemical News) (Online News), December 2025.

N/A

2025

Cited in Smart Cities Dive

NYC congestion pricing cut air pollution, Cornell University study finds. Smart Cities Dive (Online News), December 17, 2025.

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2025

Quoted in Air Quality News

Paul Day. NYC congestion pricing cuts air pollution by 22% in six months. Air Quality News (Online News), December 9, 2025.

N/A

2025

Cited in Sustainability Action

Sustainability Action News Digest 16 Dec 2025. Sustainability Action (Online News), December 16, 2025.

N/A

2025

Cited in Streetsblog NYC

Tuesday’s Headlines: Clearing the Air Edition. Streetsblog NYC (Online News), December 9, 2025.

N/A

2025

Quoted in El Mercurio

Sofía Beuchat. When Politics Makes Us Sick (Cuando La Política Enferma). El Mercurio (Newspaper), September 8, 2022.

N/A

2022

Reviewed in Social Science & Medicine

Carlos Irwin Oronce and Yusuke Tsugawa. Bonding and linking social capital are key determinants for successful pandemic policy.. Social Science & Medicine (Journal).

N/A

2021

Quoted in The Academic Times

Marcos Cabello. Rumors during a natural disaster may facilitate greater evacuation — even when unnecessary.. The Academic Times (Newspaper), June 8, 2021.

N/A

2021

Op-Ed in Advanced Science News

Timothy Fraser and Daniel P. Aldrich. The Fukushima Effect at Home: New roles for local actors in Japan’s energy policy.. Advanced Science News (Online News), June 9, 2020.

N/A

2020

Quoted in Huffington Post

Sophie Yeo. When Climate Disaster Strikes, It’s Renewable Energy That Keeps The Lights On.. Huffington Post (Online News), December 1, 2020.

N/A

2020

A Data-Driven Review of the Relationship between Social Capital and Social Infrastructure

Invited talk presented for the Organisation for Economic Co-operation and Development (OECD), at their seminar “The Role of Social Capital in Place Transformation”. Paris, France, October 2, 2024.

N/A

2024

Cycling Cities: Measuring Transportation Equity in Bikeshare Networks.

Guest lecture presented for Course Politics and the Environment, Department of Political Science and International Relations, University of Delaware. February 28, 2024. (Virtual)

N/A

2024

Won’t You be My Neighbor? Mapping Social Infrastructure and Social Capital across North America with Big Data.

Guest lecture presented for Course “Industrial Big Data Analytics and Machine Learning”, Systems Engineering Program, Cornell University. April 19, 2023.

N/A

2023

Leapfrogging or Lagging? Drivers of social equity from renewable energy transitions globally.

Guest lecture presented for Course “Quantitative Techniques”, Political Science Department, Cornell University. March 20, 2023.

N/A

2023

Where the Grass Is Greener: Social Infrastructure and Resilience to COVID-19.

Presented for UTokyo Center for Contemporary Japanese Studies [Virtual]. June 7, 2022.

N/A

2022

Fleeing the Unsustainable City: Social Capital’s Role in Hurricane Evacuation.

Presented for Department of Environmental Science & Policy, George Mason University. March 18, 2022.

N/A

2022

Mapping Social Infrastructure: Validating API Measures.

Presented for the Northeastern University Lab for Text, Maps, and Networks, February 16, 2022.

N/A

2022

Mapping Urban Policy: Social Infrastructure in US Cities.

Presented for the Dept. of Urban Studies at Worcester State University, January 26, 2022.

N/A

2022

Power to the People: The Value of Urban Regimes and Social Capital in Building Solar Cities.

Presented for the International Institute of Carbon Neutral Energy Research, Kyushu University, October 27, 2021.

N/A

2021

Public Opinion Survey Design and Weighting. Presented for the Stanton Foundation, September 2021.

N/A

2021

Mapping Social Infrastructure for Disaster and Pandemic Resilience: A Case Study of Boston.

Presented for the Dept. of American Studies at Indiana University–Purdue University Indianapolis, June 3, 2021.

N/A

2021

Who Governs in Fukushima’s Wastewater Problem? Lessons from Nuclear Power Plant Restarts.

Presented for the Nuclear Fusion Project, May 17, 2021.

N/A

2021

Restarting the Sendai Reactor: Japanese Civic Activism after Fukushima. Presented at Middlebury College Rohatyn Center for Global Affairs, February 24, 2017.

N/A

2017

Cutting Carbon on a Dime: Optimization of Transportation Policy Scenarios for Cost-Effective Emissions Reduction.

Upcoming Presentation for Transportation Research Board Annual Conference, January 2024.

N/A

2024

Driving Climate Action with the VISUALIZER Development and Applications of a Dashboard for Transportation Emissions Data & Visualization.

Upcoming Presentation for Transportation Research Board Annual Conference, January 2024.

N/A

2024

Cycling Cities: Measuring Transportation Equity in Bikeshare Networks.

Presented for Political Networks Annual Conference 2022 (PolNet), June 22, 2022.

N/A

2022

Opportunists and Organizers: The Value of Urban Regimes and Social Capital in Building Solar Cities.

Presented for Midwestern Political Science Association Annual Conference, April 9, 2022.

N/A

2022

Getting to Know You: Mapping Social Infrastructure in American Neighborhoods for Community Resilience.

Presented for Midwestern Political Science Association Annual Conference, April 8, 2022.

N/A

2022

In Friends We Trust: Soft Policy and the Janus-Faced Nature of Social Capital in Evacuation Networks.

Presented for American Political Science Association Annual Conference, October 3, 2021.

N/A

2021

Bottom-up or Top-Down? Bridging Academics in the ADVANCE Network for Gender Equity (with Laura K. Nelson and Kathrin Zippel).

Presented for American Sociological Association Annual Conference, August 9, 2021.

N/A

2021

Japan’s Green Voters: The Role of Social Capital in Women’s Movements against Nuclear Power Policy.

Presented for the Asian Online Political Science Seminar Series, May 12, 2021.

N/A

2021

Do All Roads Lead to Sapporo: A Social Network Analysis of Evacuation.

Presented at New England Political Science Association Conference, Portland, ME, April 24, 2019.

N/A

2019

Youth Politics in Japan after 3.11: Political Geographies of Tokyo and Tohoku.

Presented at Bard College Sustainability in Asia Conference, April 17, 2015.

N/A

2015

Natural Hazards Center Quick Response Grant

Drivers of evacuation: A multi-level study of social capital and mobility during Covid-19. Natural Hazards Center Quick Response Program. Co-Principal Investigator. Credit: $5,000

N/A

2022

NULab for Texts, Maps, and Networks Seedling Grant.

Mapping Social Infrastructure for Disaster and Pandemic Resilience. Northeastern University. Co-Principal Investigator. Credit: $3,000

N/A

2021

Fulbright Graduate Fellowship.

Credit: Full Year Fellowship. (declined due to pandemic)

N/A

2020

Japan Foundation Doctoral Fellowship.

Credit: Full Year Fellowship. (declined due to pandemic)

N/A

2020

Social Science Research Council’s Nomination for Japan Society for Promotion of Science Fellowship.

Credit: Full Year Fellowship. (declined due to pandemic)

N/A

2020

Natural Hazards Center Quick Response Grant.

CONVERGE Covid -19 Working Group for Social Ties, Mobility, and Covid-19 Spread Rates. Natural Hazards Center. Collaborator. Credit: $5,000

N/A

2020

Northeastern University Asian Studies Research Award.

Credit: $2000

N/A

2018

Fulbright Study/Research Fellowship in Japan.

Year of Research at Kyushu University in Japan. Credit: $20,000.

N/A

2016

Middlebury College Rohatyn Center Grant for Summer Research.

Credit: $5000

N/A

2015

Middlebury College Cross-Cultural Community Engagement Grant.

Credit: $1000

N/A

2015

Middlebury College Mellon Grant for Study Abroad Research.

Credit: $2500

N/A

2014

Best Reviewer Award 2022

for Journal Energy Research & Social Science

N/A

2022

GIS Day Poster Competition First Prize

@ Northeastern University NULab

N/A

2021

Passed Candidacy Exams with Distinction

High Pass in Public Policy

N/A

2019

Awarded Best Thesis in International & Global Studies

Middlebury College

N/A

2016

Data Consultant for NGOs

Consulting on Surveys, Networks, and Big Data for Partners

Boston, MA

2020 - 2022

• NGO Resilient Cloverdale: Social network analysis and survey weighting analyses for evaluating community resilience in California. (2021-2022)
• United Nations Development Program Mexico Accelerator Lab: Designed survey methodology for field experiment on measuring and building social capital in Mexico City neighborhoods. (2020)
• United Nations Development Program Paraguay Accelerator Lab: Generated methodology for mapping social capital and social vulnerability in Paraguay, using spatial analysis techniques to account for data availability limitations. (2022)

Data Analyst for Academic Teams

Northeastern University (NU)

Boston, MA

2020-2022

• NSF Grant Project, NU Sociology Dept: “Diffusion of Ideas of Gender Equity Interventions Through Networks of U.S. Universities”. Applied Data science and Network Analysis, led by Dr. Kathrin Zippel and Dr. Laura Nelson (9 months)
• Grant Project, NU Political Science Dept: “Impacts of Partisan Polarization and Voting Preferences on the Public’s Health”. Data science and survey design research for 2 national surveys for Northeastern University-funded project, led by Dr. Daniel Kim, Dr. Costas Panagopoulos, Dr. Daniel Aldrich (8 months).
• Book Project, NU Political Science Dept: “Congressional Challengers: Candidate Quality in US Elections to Congress”. Modeling and Visualization for book project for Dr. Costas Panagopoulos. (2022)
• Book Project, NU Political Science Dept: “Bases Loaded: How US Presidential Campaigns Are Changing and Why It Matters”. Modeling and Visualization for book project for Dr. Costas Panagopoulos. (2021)

Graduate Courses

@CU = Cornell University Systems Engineering Program

N/A

• SYSEN 5300 - Systems Reliability & Six Sigma (2022, 2023)
• SYSEN 5400 - Systems Architecture (2023, 2024)
• SYSEN 5460 - Data Science for Socio-Technical Systems: Data Communication & Decision-Making at Scale (2024)
• SYSEN 5900 - Research Projects for Masters of Engineering Student Teams (2023, 2024)

Undergraduate Courses

@NU = Northeastern University Political Science Department

N/A

• POLS 2400 - Quantitative Techniques & Statistics in R (Fall 2021, Spring 2020)
• POLS 2399 - Research Methods in Political Science (Summer 2021)
• Masters Capstone Coordinator (Fall 2021, Spring 2021, Spring 2020)

Teaching Assistant

@NU = Northeastern University Political Science Department

N/A

• POLS 1155 - Introduction to Comparative Politics (2 times)
• POLS 1150 - Introduction to American Government and Politics (2 times)
• POLS 2400 - Quantitative Techniques & Statistics
• Disasters and Recovery Summer Course in Japan
• POLS 2330- American Political Thought
• POLS 3500 - Sexuality, Gender, and the Law

Educational Software Developer

Develop methods tutorials for coding in R, MATLAB, and SQL, for using in environmental policy and systems engineering.

N/A

2021 - present

• ~15 Workshops on Advanced Statstics in R for course Systems Engineering & Six Sigma
• ~20 Workshops for Systems Architecture Enumeration, Evaluation, and Optimization
• 30 R Tutorials for DataViz and Dashboards for course Data Science for Socio-Technical Systems.
• 22 Additional Methods Tutorials for Quantitative Social Science in R. See my online tutorials on RPubs! Examples include:
  • Statistical Simulation and Food Deserts
  • Multiple Regression and Disaster Effects
  • Mapping Raster Data
• moves_tutorials: A github repository and CTECH webinar series of trainings for graduate students on how to use MOVES with modern computational tools in R.
  • At: https://github.com/timothyfraser/moves_tutorials
• Systems Architecture Recitation Code Series
  • A series of ~10 MATLAB workshops, teaching students how to implement systems architecture techniques in MATLAB.

Masters Research Students

N/A

N/A

2020 - Present

• MOVESAI Neural Networks Modeling Team: Arnav Joshi, Jennie Wu, Alvin De Jun Tan, George Wang, Yifei Jin, Logan Roeling, Sana Chawla, Jiashen Li, Peilin Li, & Stanley Chen @CU
• AI Reporting for County Emissions Team: Ran Yi, Jinglin Wang, Hanlin Yang @CU
• AI Reporting for Electric Vehicle Charging Team: Andrew Duffy @CU
• Product Measurement, Evaluation, and Learning Team: Yifei Li, Yuchen Tang, Chenfan Yin, Xuechao Zhang @CU
• CAT Quality Team: Linpei Huang, Yueyi Mu, Quingyuan Guo @CU
• CAT AI Reporter Team: Peilin Li, Shannya Niveyro, Maria Dobransky, Peculiar Lawrence, Leo Ziyu Kuang, Yan Guo @CU
• CAT Apps Team: Emily Yi-Wen Tseng, RuiRui Mao, Junna Chen @CU
• CAT Optimizer Team: Leah Smith, Kaylen Li [1 working paper] @CU
• CAT API Team: Rebecca Xinyu Gao, Jessica Yuan, Mahak Bindal, Junna Chen, Ian Lee [1 working paper] @CU
• CAT Greentech Database Team: Jessie Wong, Emily Yi-Wen Tseng, RuiRui Mao, Shungo Najima @CU
• CAT Reporter Team: Peilin Li, Leo Ziyu Kuang, Aarya Darak, Minghao Yang [1 working paper] @CU
• Social Infrastructure Project: Linpei Huang @CU
• MOVESLite Project: Yan Guo [1 working paper] @CU
• Mapping Social Infrastructure Team: Napuck Cherdchaiyapong, Winta Tekle, Erin Thomas, Joel Zayas [1 paper, capstone] @NU
• Louisiana Recovery Team: Alex Poniatowski, Nicholas Hersey, Haoran Zheng [1 paper, capstone] @NU
• Disaster Recovery Committees Team: Lucy Hewitt, Ziyue Chen, Matthew Cherkerzian [1 working paper, capstone] @NU
• Evacuation Project: Larissa Morikawa (now PhD student) [3 papers, 1 talk, capstone] @NU
• Dustin Hinkley [1 working paper] @George Washington

Undergraduate Research Students

N/A

N/A

2019 - present

• Osama Awadalla @Cornell [1 working paper] @CU
• Andrew Small (currently Fulbrighter) [4 papers] @NU
• Nikki Naquin (currently MA student @LSE) [1 paper] @NU
• Mary Bancroft [2 papers] @NU
• Lily Cunningham [3 papers] @NU
• Eri Lee [1 paper] @NU
• Amos Nasongo [1 paper] @NU
• Olivia Feeley [1 under review, 2 talks] @NU
• Andres Ridge [1 under review, 2 talks] @NU
• Ava Cervini [1 under review, 2 talks] @NU
• Vincent Rago [1 under review, 2 talks] @NU
• Kelly Gilmore [1 under review, 2 talks] @NU
• Gianna Worthington [1 under review, 2 talks] @NU
• Ilana Berliavski [1 under review] @NU
• Katherine Van Woert [1 working paper, 2 talks] @NU
• Sophia Olivieri [1 working paper, 2 talks] @NU
• Pamela Lalli [1 working paper, 2 talks] @NU
• Katelyn Buckley [1 working paper, 2 talks] @NU
• Jonathan Baron [1 working paper, 2 talks] @NU
• Khushi Patel [1 working paper, 1 talk] @NU
• Mireya Dorado @NU

Reviewer for +30 journals

• 11 journals on Energy & Environment: Energy Research & Social Science, Applied Energy, Cleaner Production Letters, Environmental Politics, Journal of Environmental Management, Utilities Policy, Environmental Sociology, Ecology & Society, Sustainability Science, Frontiers In Sustainable Cities, Energies (MDPI).
• 5 journals on Urban Systems: Socio-Economic Planning Sciences, International Journal of Project Management, Journal of Management in Engineering, Sustainability (MDPI), Journal of Marine Science and Engineering (MDPI).
• 6 journals on Disasters & Health: Nature: Scientific Reports, PLOS ONE, Social Science & Medicine, International Journal of Disaster Risk Reduction, International Journal of Disaster Risk Science, Disasters.
• 8 journals on Political Science: Politics and Life Sciences, Social Science Research, Journal of Public and Nonprofit Affairs, Politics and Governance, European Policy Analysis, Social Science Japan Journal, Oxford University Press, Social Sciences (MDPI)

N/A

Conference Roles

• Chair and Discussant for: Midwestern Political Science Association 2022 Conference Panel: Political Networks in Comparative Politics.
• Chair and Discussant for: Midwestern Political Science Association 2022 Conference Panel: Impacts of Climate Change: New Directions.
• Discussant for: American Political Science Association 2021 Conference Panel: From Framing to Shaming: Generating Support for Environmental Policy.
• Lead organizer for conference: Power and Protest: Global Responses to Atomic Energy, Middlebury College Rohatyn Center for Global Affairs. January 21-22, 2016.

N/A

Community Outreach

• 2025: Lead Organizer for Six Sigma Hackathon (October 2025), Cornell University Systems Engineering Program.
• 2023: Invited Panelist for Cornell University Neurodiversity Week Event: Stories of Neurodiversity (March 13, 2023).
• 2016-2017: Susenji Elementary School Student Supporter in Fukuoka, Japan. Tutored Japanese students in ESL and non-native students in math and Japanese language
• 2015-2016: Language in Motion Program Support Assistant at Middlebury College. Arranged intercultural education training and programming in local Vermont high schools in paid internship. Presented on Japanese culture and disaster studies and Turkish politics.
• 2015: Community Engagement Intern at Middlebury College. Networked with community and college organizations to facilitate service-learning opportunities on Vermont public education, health, and poverty in paid internship.
• 2015: James Martin Center for Nonproliferation Studies: Produced public-facing map of trafficking of nuclear materials and nuclear security policy quality. Studied nuclear security issues from experts in seminar-style classes. Paid intern.
• 2014: Changemakers Talent Mapping Project, Ashoka Japan: Researched potential of social campaigns on education, environment, healthcare, and economy. English-Japanese translation services for Changemakers Talent Mapping Project.

N/A

Japanese Language Training

10 years using and learning Japanese

N/A

2012-Present

• Middlebury College (1st-2nd Year Japanese, 5th year Japanese, 2012-2016)
• Middlebury Summer Language Schools (3rd Year Japanese, Summer 2014)
• International Christian University, Tokyo (4th Year Japanese, Fall 2014)
• Private Tutoring, Fukuoka (Advanced Japanese, Fulbright Thesis in Japanese, 2016-2017)
• Private Tutoring, Boston (Advanced Japanese, Communicating Research in Japanese, 2021)

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