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
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Yuri Sagalov's investing connections

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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
38 CONNECTIONS
University of Toronto Network
33 CONNECTIONS
University of Toronto Network
33 CONNECTIONS

Find Yuri Sagalov on

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Current Investing Position
10100 Angel
Investment Range
$150K - $500K
Sweet Spot
$250K
Investments On Record
29

Yuri Sagalov is on these Sector & Stage Rankings

Yuri Sagalov's Investments On Record (27)

CompanyStageDateRound SizeTotal Raised
Ember Copilot
SeedNov 2025$4M
$4.5M
Co-investors: Garry Tan (Y Combinator), Abhishek Sharma (Nexus Venture Partners), Qiang "Larry" Li (AMINO Capital), Jeff Heitzman (New Stack Ventures), Sue Xu, Kulveer Taggar
1001 AI
Pre SeedOct 2025$9M
$9M
Co-investors: Deena Shakir (Lux Capital), Neeraj Arora (Venture Highway), Amjad Masad
Strawberry
SeedOct 2025$6M
$6M
Co-investors: Sandra Malmberg (EQT Ventures)
Vulcan
SeedOct 2025$11M
$11M
Co-investors: Arash Ferdowsi
DianaHR
SeedSep 2025$4M
$4.5M
Co-investors: Justin Kan (Goat Capital), Mike Miller (Liquid 2 Ventures), Jonathan Ehrlich (Foundation Capital), Michael Seibel (Y Combinator), Kevin Mahaffey (SNR), Arash Ferdowsi, Emmett Shear, Immad Akhund
The Interaction Company of California
SeedSep 2025$15M
$15M
Co-investors: Fred Ehrsam (Paradigm), Hemant Taneja (General Catalyst), Jake Paul (Anti fund), Anton Levy (General Atlantic), Neeraj Arora (Venture Highway), John Collison, Patrick Collison, Cory Levy, Ken Howery, Guillermo Rauch
Aurelius Systems
SeedSep 2025$10M
$10M
Co-investors: Paul Kwan (General Catalyst), Matthew Caspari (Alumni Ventures )
Oway
SeedAug 2025$4M
$4.5M
Co-investors: Taro Fukuyama (Pioneer Fund), Kevin Alvarez-Fung (Predictive VC), Aneel Ranadive (Soma Capital), Jared Friedman (Y Combinator), Chris Howard (Fuel Capital), Kulveer Taggar

Yuri Sagalov's Experience

Visiting Partner; prev. Part-time Partner Y Combinator2013 - 2018
Co-Founder & Chief Executive Officer AeroFS (acquired by RedBooth)2011 - 2017

Yuri Sagalov's Education

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