John Sirois - Co-Founder @ Toolchain - Crunchbase Person Profile

Overview

Number of Founded Organizations

CB Rank (Person)

John Sirois is the Co-Founder of Toolchain Labs. He previously worked at Twitter as a Software Engineer of Research.

Number of Current Jobs

is the

Co-Founder

Hub Name	CB Rank (Hub)
Homebrew Portfolio Companies	70,574
Harrison Metal Portfolio Companies	65,971
Software Seed Stage Companies With Less Than $1M in Revenue	12,115
ANIMO Ventures Portfolio Companies	76,518
Foursquare Alumni Founded Companies	80,788
X (formerly Twitter) Alumni Founded Companies	64,839
Chingona Ventures Portfolio Companies	95,282
Western US Seed Stage Companies With Less Than $1M in Revenue	20,620
Western US Startups Founded in 2018	31,414
Check Point Software Technologies Alumni Founded Companies	71,789

There is no recent news or activity for this profile.