| 2026-03-24 |
JP vs. AI: A Modern "John Henry Style" Dataviz Challenge |
2026 GWU Open Source Conference (OSCON) |
Washington, DC, USA |
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| 2025-09-17 |
Introducing surveydown: An open-source platform for programmable, markdown-based surveys |
posit::conf(2025) |
Atlanta, GA, USA |
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| 2025-08-06 |
Spatial Patterns of Electric Vehicle
Accessibility in the United States |
2025 Bridging Transportation Researchers (BTR) Conference |
Remote |
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| 2025-06-19 |
Clean Tech and Trade in an Era of Nationalism |
Energy Transitions Policy and Modeling at a Crossroads: New communities, approaches, and scenarios |
Snowmass, CO, USA |
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| 2025-05-08 |
The American EV Transition: Looking Ahead While Lagging Behind |
2025 UCSD Workshop on Climate and U.S.-China Relations |
San Diego, CA, USA |
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| 2025-04-30 |
Competition vs Collaboration Across Clean Tech: Is Reshoring Possible? |
Jefferies US China Summit – Understanding Geopolitical Rivalry & Strategic Priorities |
Remote |
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| 2025-04-23 |
The EV Transition in the U.S. & China |
CSIS Congressional Bootcamp: The Future of Energy, National Security, and Innovation |
Washington, DC, USA |
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| 2025-04-08 |
The EV Transition in the U.S. & China: Reflections on the Inflation Reduction Act and Future Direction |
Charging Ahead in Uncertain Times, hosted by the GW Alliance for a Sustainable Future |
Washington, DC, USA |
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| 2025-03-24 |
Healthier & Happier Hands: Software and Hardware Solutions for More Ergonomic Typing |
2025 GWU Open Source Conference (OSCON) |
Washington, DC, USA |
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| 2025-02-21 |
The U.S.-China Clean Energy Race: Reflections on the Inflation Reduction Act and Future Direction |
Princeton Julis-Rabinowitz Center for Public Policy & Finance Conference |
Princeton, NJ, USA |
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| 2025-01-09 |
Disparities in Plug-in Electric Vehicle Availability and Affordability in the United States |
EV Policy Council |
Washington, DC, USA |
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| 2024-08-07 |
Battery-Powered Bargains? Assessing Electric Vehicle Resale Value in the United States |
2024 Bridging Transportation Researchers (BTR) Conference |
Remote |
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| 2024-06-20 |
Quantifying Plug-in Electric Vehicle (PEV) mileage and depreciation |
2024 ISSST Conference |
Baltimore, MD, USA |
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| 2024-06-14 |
The Rise of Chinese Leadership in the Plug-in Electric Vehicle Industry |
2024 Industry Studies Conference |
Sacramento, CA, USA |
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| 2024-02-21 |
Using Marketing Analytics to Measure Consumer Preferences and Inform Policy |
Masterclass Presentation to SEED Global Education |
Remote |
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| 2024-01-11 |
Quantifying Plug-in Electric Vehicle (PEV) mileage |
EV Policy Council |
Washington, DC, USA |
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| 2023-10-06 |
Quantifying Plug-in Electric Vehicle (PEV) mileage and depreciation |
RIT Visit |
Rochester, NY, USA |
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| 2023-06-01 |
Quantifying Plug-in Electric Vehicle (PEV) mileage and depreciation |
2023 Industry Studies Conference |
Columbus, OH, USA |
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| 2023-05-10 |
Data Analytics at GWU |
Presentation to the Federal Academic Aliance Program |
Washington, DC, USA |
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| 2022-11-18 |
Quantifying the cost savings of global solar photovoltaic supply chains |
2022 Association for Public Policy Analysis & Management (APPAM) Conference |
Washington, DC, USA |
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| 2022-10-28 |
Quantifying the cost savings of global solar photovoltaic supply chains |
[ITIF](https://itif.org/) Junior Scholars Seminar |
Remote |
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| 2022-09-30 |
The Rise of Chinese Leadership in the Plug-in Electric Vehicle Industry |
“Chinese Industrial Policy: Sectors and Resources” conference at UCSD |
San Diego, CA, USA |
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| 2022-06-25 |
Quantifying the role of globalized solar photovoltaic supply chains in reaching climate targets |
2022 Industry Studies Conference (original slides repo [here](https://github.com/jhelvy/2022-isa-conf-solar)) |
Philadelphia, PA, USA |
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| 2022-05-06 |
The cbcTools Package: Tools for Designing and Testing Choice-Based Conjoint Surveys in R |
2022 Sawtooth Software Conference (original slides repo [here](https://github.com/jhelvy/2022-sawtooth-conf)) |
Orlando, FL, USA |
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| 2021-07-06 |
Healthier & Happier Hands: Software and Hardware Solutions for More Ergonomic Typing |
[2021 useR conference](https://user2021.r-project.org/) lightning ⚡️ talk. I discuss software and hardware solutions for more ergonomic typing ⌨️ ❤️ 🙌 ❤️ (original slide repo [here](https://github.com/jhelvy/2021-useR-healthy-hands)) |
Remote |
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| 2021-04-20 |
The {logitr} R Package: Obtaining Willingness to Pay Estimates from Preference Space and Willingness to Pay Space Utility Models |
2021 Sawtooth Software Conference: Turbo Choice Modeling Seminar (original slides repo [here](https://github.com/jhelvy/2021-sawtooth-conf)) |
San Antonio, TX, USA |
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| 2021-01-21 |
Using formr to create R-powered surveys with individualized feedback |
2021 rstudio::conf lightning ⚡️ talk (original slides repo [here](https://github.com/jhelvy/surveys-with-formr)) |
Remote |
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