No. 05 of 05

Isa Fulford

How OpenAI Built its Groundbreaking Deep Research Product · Sequoia Capital / YouTube
Known for
Research lead behind OpenAI Deep Research.
Why chosen
She connects reinforcement learning with agents that do hours of work in minutes. At OpenAI she was a research lead on Deep Research, the browsing research agent launched in February 2025 and trained end to end on hard browsing tasks. That July she helped ship ChatGPT agent, which combined browsing, computer use, code and tools into one system, and she now leads post-training work on both. Forbes has profiled her among AI's rising builders. Quiet name, loud agents.
Worked with
Josh Tobin, OpenAI
How OpenAI Built its Groundbreaking Deep Research Product · Sequoia Capital / YouTube
Role
Member of Technical Staff, OpenAI
Status
BuilderMember of Technical Staff at OpenAI; leads post-training work on Deep Research and ChatGPT agent.
Current location
San Francisco, CA
On the list since
Last checked