Aaron Antrim
Advisor at Actionfigure
Portland, Oregon, United States
Summary
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Rockstar🎓
Top SchoolAaron Antrim is a transit technology entrepreneur and advisor with 12 years of industry experience who founded and scaled Trillium, a Portland-based firm serving 350+ transit agencies across five continents and later guided its integration into Optibus. He led product, partnerships, and operations to build mission-driven tools like GTFS Manager, Transit Alerts, and GTFS-Flex, growing the company to $2.5M in annual revenue and $1M ARR before its acquisition. A co-founder of MobilityData and former RMI technical lead, he has driven GTFS/GBFS standards work, secured public and private partnerships including state DOTs and USDOT, and often translates technical standards into practical agency workflows. Based in Portland, he blends systems thinking and stakeholder facilitation—running cross-sector workshops and keynote presentations—to make open transit data operational at scale. An English BA by training, he pairs a communicative, policy-savvy approach with hands-on product leadership in the transit data ecosystem.
12 years of coding experience
16 years of employment as a software developer
Bard CollegeB.A., English, B.A., English at Humboldt State University
Stackoverflow
1,446reputation
258kreached
2answers
0questions
javascript
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Github Skills (50)
feed10
autocomplete10
timetable10
open-data10
gtfs10
mobility10
data-feed10
google-maps-api10
jar9
javascript9
geofencing9
transit9
transit-data9
war9
specification9
Programming languages (10)
Github contributions (5)
Trillium-Solutions/transit
Oct 2016 - Jun 2019
Contributions:4 PRs, 37 pushes, 23 branches in 2 years 8 months
MobilityData/GTFS_Schedule_Best-Practices
Feb 2017 - Mar 2019
Best Practices for structuring General Transit Feed Specification Schedule data
Contributions:19 commits, 8 PRs, 25 pushes in 2 years 1 month
transitspecificationdata-specificationfeed
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