Alex Chantavy

Co-founder & CEO at SubImage

Co-founder

SubImage· Winter 2025 San Francisco Bay Area

in LinkedIn 𝕏 @alexchantavy

2024Co-founder· SubImage

Founder · since 2024

Company

SubImage

Role

Co-founder & CEO

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco Bay Area

current

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

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

SubImage

The Open-Core Security Graph

Winter 2025

Experience

Career

SubImage
Co-founder
Co-founder & CEO · San Francisco Bay Area · 2024 – Present
2024
Lyft
Staff Software Engineer · San Francisco Bay Area · 2019 – 2024
2019
University of Washington
Instructor · 2019 – 2020
2019
Microsoft
Senior Security Software Engineer · Greater Seattle Area · 2016 – 2018
2016
National Security Agency
Capabilities Development Specialist · Washington D.C. Metro Area · 2014 – 2015
2014
National Security Agency
Computer Systems Analyst · Hawaii · 2011 – 2014
2011

Bio

Co-founder & CEO at SubImage. Former Staff Engineer at Lyft: Created https://cartography.dev, the open source security graph. Built first-of-its-kind container scanning and remediation platform. Former Security Engineer on Microsoft Red Team: did cloud hacking before it was cool. Worked on [REDACTED] at the NSA.