2x founder

Asa Miller

x2 YC Founder | AI Product & Engineering Leader | Built Kid-Safe Generative AI for 22k+ Families | Former Pediatric Tech CTO

Founder

Pre· Summer 2024 🇺🇸 San Francisco, California, United States

in LinkedIn

2025Design Engineer· Brex

Founder · since 2019

Company

Brex

Role

Design Engineer

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

Pre

The AI accountability agent for startup founders

Summer 2024

Experience

Career

Brex
Design Engineer · San Francisco, California, United States · 2025 – Present
2025
Genie (YC S24)
Founder
Founder & Head of Product / Principal Engineer · San Francisco, California, United States · 2023 – 2025
2023
Brave Care
Co-founder
Co-Founder & Chief Technology Officer (CTO) / Head of Engineering · Portland, Oregon, United States · 2019 – 2023
2019
Omni
Senior Software Engineer · 2018 – 2019
2018
Envoy
Senior Software Engineering · Portland, Oregon Metropolitan Area · 2017 – 2018
2017
Civil Co.
Lead Software Engineer · Portland, Oregon Area · 2015 – 2017
2015

Bio

2× YC founder of a kid-safe AI companion and a pediatric care company. I’m also an engineer of polished 0→1 products; leader of teams shipping stellar work; and a dad who believes tech should be trusted and loved by families.