Trey Hahn
Associate Transportation Planner
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolTrey Hahn is an associate transportation planner and founder with over a decade of experience designing people-centered cycling infrastructure and building public engagement tools across the US, Netherlands, and Latin America. He combines hands-on project delivery at Caltrans with entrepreneurial impact from Bicycle User Experience, an EdTech venture that reached $70k/year and trained 1,500+ practitioners with user-centered methods. A seasoned collaborator, Trey has managed international localization for the popular Streetmix street-design tool and contributed front-end improvements to its UI and language support. He brings systems thinking, participatory design expertise, and a public Bicycle Infrastructure Manuals database of 600+ documents to help cities compare global best practices. Based in New York with deep San Diego ties, he’s equally comfortable teaching large online courses and negotiating grants and complete-streets programs.
10 years of coding experience
4 years of employment as a software developer
Environmental Studies coursework, then transferred to The New School, Environmental Studies coursework, then transferred to The New School at Middlebury CollegeMSc. Urban and Regional Planning, MSc. Urban and Regional Planning at University of AmsterdamBachelor's Degree, Environmental Studies, Honors, Bachelor's Degree, Environmental Studies, Honors at The New School
Spanish, Portuguese, English, Dutch
Github Skills (8)
uid10
javascript10
front-end-development10
ui-design10
react10
planning8
urban-planning8
internationalization7
Programming languages (3)
Github contributions (5)
streetmix/streetmix
Nov 2017 - Aug 2018
Streetmix makes it easy for people to design public spaces together.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:80 commits, 59 PRs, 35 pushes in 8 months
Contributions summary:Trey contributed to the user interface of the Streetmix project. Their work included modifying labels and adding language support. They updated the notification bar component and made changes to the display of segment names and widths within the street design interface. They also added creative commons URL for Japanese.
spacesstreetmixurban-planningcivic-techcity-builder
treyhahn/streetmix
Aug 2016 - Aug 2016
Contributions:30 pushes, 2 branches in 5 days
reactneighborhoodstreetshareremix
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