Saad Jamal

CEO of Antigen (YC F25) | Frontier Offensive Security

Co-founder

Antigen· Fall 2025 🇺🇸 San Francisco, California, United States

in LinkedIn 𝕏 @sadjamz_

2025Co-founder· Antigen

Founder · since 2025

Company

Antigen

Role

Co-Founder // CEO

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

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Antigen

Continuous offensive security for the enterprise.

Fall 2025

Experience

Career

Antigen
Co-founder
Co-Founder // CEO · San Francisco, California, United States · 2025 – Present
2025
Essential AI
Member of Technical Staff · San Francisco, California, United States · 2025
2025
Nuro
ML Compiler Engineer · Mountain View, California, United States · 2024
2024
Tesla
Autopilot Engineer · Palo Alto, California, United States · 2021 – 2024
2021
HashiCorp
Software Engineering Intern · San Francisco Bay Area · 2021
2021
NASA Ames Research Center
Research Scholar · Mountain View, California · 2020 – 2021
2020
American Red Cross
Open Source Developer · 2020 – 2021
2020
UC Berkeley Electrical Engineering & Computer Sciences (EECS)
Academic Student Employee · 2020 – 2021
2020
California Partners For Advanced Transportation Technology
Research Assistant · 2020
2020

Bio

co-founder @ antigen. prev. ml infra at tesla autopilot. law school dropout. Before Zag, Saad trained reasoning models with Ashish Vaswani, author of the famous Attention Is All You Need paper. At Nuro, he developed an ML Compiler framework that enabled running the perception layer across multiple GPU's. And at Tesla he built infrastructure that halved the time it took to train Planning & Controls models. He also served at the Supreme Court of Pakistan and dropped out of UChicago Law.