4x founder

Taishi Nojima

stealth | yc s21 | ex-meta security

Founder

Canopi· Summer 2021 San Francisco Bay Area

in LinkedIn 𝕏 @0x_taishi

2025Founder· Stealth Startup

Founder · since 2020

Company

Stealth Startup

Role

Founder

current

Stage

—

no public source

Raised

—

no public source

Based

—

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

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Canopi

API to measure and eliminate carbon emissions

Summer 2021

Experience

Career

Stealth Startup
Founder
Founder · 2025 – Present
2025
Blur.io
Founder
Founding Engineer · 2022 – Present
2022
Rutter
Founder
Founding Engineer · 2021 – 2022
2021
Canopi (YC S21)
Co-founder
Co-Founder & CTO · 2020 – 2022
2020
Accel Robotics
Technical Project Manager · Tokyo, Japan · 2020 – 2021
2020
Facebook
Security Engineer · Menlo Park, California · 2018 – 2020
2018
Facebook
Security Engineering Intern · Menlo Park, CA · 2017
2017
Twitter
Software Engineer Intern · San Francisco, CA · 2016
2016

Bio

Building Senri to enforce what AI agents can do in prod. Founding engineer at Blur, where I built and owned core infrastructure, smart contracts, and security from launch through its rise to become the leading NFT marketplace, supporting billions of dollars of trading activity in a highly adversarial crypto environment. Prev: threat detection, incident response, and digital forensics at Facebook. SIGCOMM-published in network verification. Founder/CTO of Canopi (S21). Yale CS.