Aaron Peckham
Founder And CEO at Urban Dictionary
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolAaron Peckham is the founder and CEO of Urban Dictionary, a living language archive he started in a dorm room and has actively developed for over 25 years, growing it to millions of definitions and hundreds of millions of monthly readers at its peak. A seasoned software engineer with 16 years of professional experience, he built products at Google (helping launch Google Analytics) and at Pivotal Labs before and during Urban Dictionary’s growth. His background blends hands-on engineering, product stewardship, and platform-scale thinking—managing a globally used site while iterating daily on its technical and editorial systems. He also played a visible role in free-speech litigation as a named plaintiff in ACLU v. Gonzales, underscoring a long-standing commitment to internet expression and policy. Based in San Francisco, he holds concurrent Bachelor’s and Master’s degrees in Computer Science from Cal Poly SLO and brings entrepreneurial grit alongside deep operational experience. An uncommon combination of founder mindset, product craftsmanship, and public-interest advocacy distinguishes his career.
16 years of coding experience
7 years of employment as a software developer
California Polytechnic State University, San Luis ObispoHigh School Radio Broadcasting, High School Radio Broadcasting at Sacramento High School (then public)
Stackoverflow
11reputation
837reached
1answer
0questions
Github Skills (156)
standalone-server10
image-processing10
http10
webp10
infrastructure10
traffic10
libvips10
javascript10
resize-images10
jsdelivr10
esmodules10
puppeteer10
jpeg-xl10
image-server10
jpeg10
Programming languages (13)
Github contributions (5)
urbandictionary/assertis
Jun 2024 - Jan 2025
Contributions:144 pushes, 17 tags in 7 months
urbandictionary/ads.urbandictionary.com
Oct 2015 - Jun 2022
Contributions:16 pushes in 6 years 9 months
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