OpenAI has named 13 regional leads for its Codex Ambassadors program, the volunteer group that runs Codex meetups, workshops and content around the world. Pauline Narvas, whose X profile lists Developer Experience at OpenAI, announced the leads in a post on 13 November.
The post calls the 13 “some of our top contributors” who “bring their local communities together, support builders around the world”, and thanks each by handle. It links to OpenAI’s ambassador directory.
Who the 13 are
Each of the 13 is named in Narvas’s post and listed in OpenAI’s ambassador directory, which gives the city. Four live in Europe, six in Asia-Pacific and three in the Americas.
| Lead | City | On X |
|---|---|---|
| Maximilian Jendrall | Berlin, Germany | @maxjendrall |
| Alex Gavrilescu | Vienna, Austria | @mrlesk |
| Boris de Wit | Paris, France | @borvibe |
| Andy Tyler | London, United Kingdom | @Andy_AJT |
| Daniel Green | Kansas City, United States | @dgrreen |
| Aileen Villanueva | Monterrey, Mexico | @aileenvl |
| Alonso Astroza Tagle | Santiago, Chile | @aastroza |
| Matthew McKinlay | Adelaide, Australia | @RaygunIcecream |
| Yashraj Nayak | Bengaluru, India | @yashrajnayak |
| Yuta Hayashi | Tokyo, Japan | @nukonuko |
| Brian Chew | Singapore | @brianchew |
| David Marquez | Manila, Philippines | @dayvough |
| Thu Nguyen | Ho Chi Minh City, Vietnam | @thatsmyThucents |
Five of the 13 confirmed it themselves on X on 13 November. Jendrall posted that they’re one of four regional Codex Ambassador leads for Europe. De Wit announced they’re now a lead in the program. Marquez wrote “Honored to be selected as a Regional Lead!” and said they’d keep bringing Codex to everyone in Southeast Asia. Nayak replied “Honoured to be part of this group!” Nguyen’s X profile reads “Codex Ambassador Lead (Southeast Asia) at OpenAI”.
The program they lead in
OpenAI’s program page describes Codex Ambassadors as event organisers, content creators and power users. The program runs for six months, and OpenAI requires each ambassador to make at least one contribution a month, through an event or content. Ambassadors get a Pro subscription plus Codex and API credits. The page says the program is voluntary and unpaid, and that applications are closed.
The leads come from inside the existing cohort. OpenAI’s directory says the current cohort has 199 ambassadors and shows profiles for those who opted in; 192 are listed. Jendrall’s website lists the Codex ambassador role in Berlin since May 2026, and Nguyen’s LinkedIn profile lists it from August 2026.
The ambassador directory lists every opted-in profile, and OpenAI keeps an X list of the cohort.
Disclosure: I’m an OpenAI, Firecrawl and Devin ambassador.
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