Hey, I'm Michael

I'm at OpenAI. Previously, I co-founded Promptfoo, an open-source tool for LLM security, red-teaming, and evaluation used by 200K+ developers.

Before that, I was VP of Engineering at Smile ID, and co-founded Arthena and Matroid. Stanford ICME grad, YC alum.

Current Focus

• Building at OpenAI
• Promptfoo - LLM red-teaming, evals, and security
• Personal Site - open-source portfolio template (1000+ forks)

Interests

• AI agents
• LLM security
• Evals and observability
• ML infrastructure

Website · LinkedIn · X · Email