Kelsey Pedersen

Codex at OpenAI

Co-founder

2026Codex· OpenAI

Founder · since 2021

Company

OpenAI

Role

Codex

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco, California, United States

current

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

CAPSULE

Buy anything you find on social media

Experience

Career

OpenAI
Codex · San Francisco, California, United States · 2026 – Present
2026
CAPSULE
Co-founder
Co-Founder & CTO · San Francisco, CA · 2021 – 2025
2021
Stitch Fix
Lead Software Engineer · Austin, TX · 2020 – 2021
2020
Stitch Fix
Software Engineer III · Austin, TX · 2018 – 2020
2018
Stitch Fix
Software Engineer II · San Francisco, CA · 2017 – 2018
2017
LeadGenius
Software Engineer · Berkeley, California, United States · 2015 – 2017
2015
AdRoll, a Division of NextRoll, Inc.
Sales · San Francisco, California, United States · 2014 – 2015
2014
U.S. Department of State
U.S. Embassy Bangkok (2011) & U.S. Embassy Prague (2012) · Bangkok, Thailand // Prague, Czech Republic · 2011 – 2012
2011
University of California, Berkeley
Cal Women's Varsity Crew (Division I) · UC Berkeley · 2009 – 2011
2009