01. About
I'm Jon — a builder from New York. Since 2013 I've been a co-founder and board member of Major League Hacking, the official student hackathon league, which I started with Mike Swift and which now calls itself the world's largest developer community. By MLH's own count, about 15% of software engineers worldwide got their start through MLH.
Before MLH I was a developer evangelist — first at Twilio (2012–2014), then at The Echo Nest, the music-intelligence company acquired by Spotify in 2014. Along the way I was National Director of StartupBus and co-created Hacker Union. The through-line has always been the same: teach people to build, then get out of their way.
Forbes put me on the 30 Under 30 for Education in 2017; Stony Brook University, where I graduated in 2011, put me on its 40 Under 40. Most days you can find what I'm actually making on GitHub.
02. Experience
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2013 — Present
Co-Founder & Board Member · Major League Hacking
Co-founded the official student hackathon league with Mike Swift; today it runs the MLH Fellowship and describes itself as the world's largest developer community.
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2012 — 2014
Developer Evangelist · Twilio
Taught developers to build with communications APIs — talks, hack nights, and Node.js and Sinatra tutorials people still stumble onto today.
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2014
Developer Evangelist · The Echo Nest → Spotify
Evangelized music-intelligence APIs at The Echo Nest, the company Spotify acquired in 2014.
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Earlier
National Director · StartupBus
Directed the national edition of the build-a-startup-on-a-moving-bus competition — equal parts hackathon, road trip, and stress test.
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Earlier
Co-creator · Hacker Union
Co-created a grassroots collective for working hackers to meet, build, and ship together.
03. Projects
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MLH Fellowship
The current focus — in his own GitHub bio's words, "preparing the MLH Fellowship": MLH's program for early-career engineers, grown out of a decade of student hackathons.
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mlh-hackathon-organizer-guide
An open playbook for anyone running their first hackathon — the institutional knowledge of hundreds of student events, written down and given away.
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omniauth-mlh & passport-mlh-oauth2
"Sign in with MLH" for the two ecosystems hackers actually use — an OmniAuth strategy for Ruby and a Passport strategy for Node.js.
The archive runs deeper — Twilio home automation, social sharing for Google Glass, and other artifacts of the evangelist years live on as past work. See the full project archive → · on GitHub →
04. Writing & Speaking
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Writing
Essays on Medium
Writing on hackathons, developer communities, and the craft of teaching people to build — at medium.com/@jonmarkgo.
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Talk
All Things Open — 2021
On stage at one of the largest open-source conferences in the U.S.
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Classic
“So Long And Thanks For All The Shirts”
The 2014 farewell-to-Twilio post — the last thing the old site ever published, and the reason this page exists.
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Interviews
Conversations on hackathon culture
Interviews on how MLH grew, and why community — not code — is the hard part.
The full set — every Twilio tutorial, talk, and press mention — lives on the writing page. Writing, talks & press →