Investing Profile

Yuri Sagalov(212)

AngelFounderInvestorEngineering Operator
Seed Stage Investor and Past Founder (investor in Flexport, Boom Supersonic, Mattermost, ObserveAI, NURX, and more)
yurisagalov.comSan Francisco, California
Photo of Yuri Sagalov, Angel at 10100
Your Intro Paths to Yuri Sagalov

Signal uses Gmail to reveal intro paths. Email content is never read.

Sign in with Google →

Yuri Sagalov's investing connections

Picture
Picture
Picture

18 Investors

Connected to Pete Flint (NFX), Garry Tan (Y Combinator), Mike Maples (Floodgate), and 15 other investors on Signal.

Networks Yuri is a member of
Y Combinator Network
63 CONNECTIONS
Y Combinator Network
63 CONNECTIONS
Y Combinator Network
63 CONNECTIONS
General Catalyst Network
55 CONNECTIONS
University of Toronto Network
49 CONNECTIONS

Find Yuri Sagalov on

cb
Current Investing Position
10100 Angel
Investment Range
$150K - $500K
Sweet Spot
$250K
Investments On Record
41

Yuri Sagalov is on these Sector & Stage Rankings

Yuri Sagalov's Investments On Record (38)

CompanyStageDateRound SizeTotal Raised
Amphiform
Pre SeedMay 2026$6M
$6M
Co-investors: Charlie Songhurst
Luel
SeedMay 2026$31M
$31M
Co-investors: Mohammed Amdani (Adapt Ventures)
The Interaction Company of California
SeedApr 2026$10M
SeedSep 2025$15M
$25M
Co-investors: Bradley Horowitz (Google Ventures), Hemant Taneja (General Catalyst), Fred Ehrsam (Paradigm), Neeraj Arora (Venture Highway), Jake Paul (Anti fund), Anton Levy (General Atlantic), Ken Howery (Unknown Ventures), Arash Ferdowsi, Logan Paul, Guillermo Rauch, John Collison, Patrick Collison, Cory Levy
Numos
SeedApr 2026$4M
$4M
Nexus
SeedMar 2026$4M
$42M
Co-investors: Lauren Stephanian (Pantera Capital), Ravi Mhatre (Lightspeed Venture Partners), Haseeb Qureshi (Dragonfly Capital Partners), Joseph Tou (Sony Innovation Fund), Nick Tuosto (GoodGame Advisors), Gokul Rajaram (Top-Patents), Tom Blomfield
Autoscience
SeedMar 2026$14M
$14M
AgentMail
SeedMar 2026$6M
$6M
Co-investors: Taro Fukuyama (SmartHR, Inc.), Karim Atiyeh, Dharmesh Shah, Paul Graham
QFEX
SeedMar 2026$10M
$11M
Co-investors: Abhishek Sharma (Nexus Venture Partners), Pete Koomen, Paul Graham

Yuri Sagalov's Experience

Managing Director General Catalyst Partners2025 - Present
Managing Director General Catalyst2025 - Present
Managing Partner Wayfinder Ventures2020 - Present
Investor Stealth Company (Yuri Sagalov)2014 - Present
Investor Various Startups 2014 - Present
Investor Various Startups2014 - Present
Angel Investor Various StartupsPresent
Investor Wayfinder Ventures, L.P.Present
Angel Investor Various Startups Present
Visiting Partner Y Combinator2018 - 2018
Chief Executive Officer Redbooth2017 - 2018
Visiting Partner; prev. Part-time Partner Y Combinator2013 - 2018
Part-time Partner Y Combinator2013 - 2018
Co-Founder & Chief Executive Officer AeroFS (acquired by RedBooth)2011 - 2017
Co-Founder & Chief Executive Officer AeroFS by Redbooth2011 - 2017
Co-Founder & Chief Executive Officer aerofs.com2011 - 2017

Yuri Sagalov's Education

University of Toronto BASc Engineering Science - Computer Engineering
University of Toronto BASc Engineering Science - Computer Engineering
University of Toronto MASc Computer Engineering
University of Toronto MASc Computer Engineering