Investing Profile

Aaron Epstein

VCInvestor
Group Partner at Y Combinator
blog.ycombinator.com/author/a...San Francisco, California
Photo of Aaron Epstein, Partner at Y Combinator
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Networks Aaron is a member of
Y Combinator Network
61 CONNECTIONS
Y Combinator Network
61 CONNECTIONS
University of Maryland - Robert H. Smith School of Business Network
13 CONNECTIONS
Autodesk Network
11 CONNECTIONS

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Current Investing Position
Y Combinator Partner
Investment Range
$150K - $150K
Sweet Spot
$150K
Investments On Record
112

Aaron Epstein is on these Sector & Stage Rankings

Aaron Epstein's Investments On Record (103)

CompanyStageDateRound SizeTotal Raised
TravoAI
SeedMar 2026
Co-investors: Sahin Boydas (Angel investor)
OpenBuilder
Pre SeedDec 2025$500K
$500K
Rivet
Pre SeedDec 2025$500K
$34M
Co-investors: Croom Beatty (Menlo Ventures), Jackson Moses (Afore Capital), Renata Quintini (Renegade Partners), Gale Wilkinson (Vitalize Venture Capital), Adam Goulburn (Dimension Capital), Andreas Klinger (Prototype Capital)
Mantle
Pre SeedDec 2025$500K
$71M
Co-investors: Mark Fernandes (Sierra Ventures), Steve Vassallo (Foundation Capital), Tony Fadell (Future Shape), Sophia Bendz (Atomico), Gokul Rajaram (gokulrajaram.com), Ryan Duranso
Primer
Pre SeedDec 2025$500K
$340M
Co-investors: Sonali De Rycker (Accel), Bradley Horowitz (Google Ventures), Guillaume Cabane (Sequoia Capital), Keith Rabois (Khosla Ventures), Ryan Petersen (Founders Fund), Samir Kaul (Khosla Ventures), Katie Haun (Haun Ventures), Omar El-Ayat (Euclid Ventures), Anna Yuan (Firefly Health), Zavain Dar (Dimension Capital), Jason Franklin (XStarPartners), minju lee (11), Lee Fixel (Addition), Roy Luo (ICONIQ Capital), Lachy Groom (Stripe), Kyle Tibbitts (Paradox Capital), Tommy Leep (Jetstream), Naval Ravikant (Sm4rt Predictive Systems), Cyan Banister (Long Journey Ventures), Rich Levandov (Avalon Ventures), Zach Klein (Dropout), Mike Marg (Craft Ventures), Brian Murray (Craft Ventures), Sam Altman, Young Song, Julie Zhuo
Openroll
Pre SeedDec 2025$500K
$500K
Claybird
Pre SeedDec 2025$500K
$500K
Mixy
Pre SeedDec 2025$500K
$500K

Aaron Epstein's Experience

Group Partner Y Combinator2020 - Present
Visiting Partner Y Combinator2018 - 2020
Co-Founder Creative Market2012 - 2018
Director, Marketplace Autodesk2014 - 2017
Co-Founder COLOURlovers2009 - 2014
Founder ColorSchemer2000 - 2014

Aaron Epstein's Education

University of Maryland - Robert H. Smith School of Business Bachelor of Science (BS) Business, Entrepreneurship