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
38 CONNECTIONS
Y Combinator Network
38 CONNECTIONS
University of Maryland - Robert H. Smith School of Business Network
13 CONNECTIONS

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Current Investing Position
Y Combinator Partner
Investment Range
$150K - $150K
Sweet Spot
$150K
Investments On Record
110

Aaron Epstein is on these Sector & Stage Rankings

Aaron Epstein's Investments On Record (101)

CompanyStageDateRound SizeTotal Raised
Mixy
Pre SeedDec 2025$500K
$500K
OpenBuilder
Pre SeedDec 2025$500K
$500K
Claybird
Pre SeedDec 2025$500K
$500K
Mantle
Pre SeedDec 2025$500K
$63M
Co-investors: Matthew Caspari (Alumni Ventures ), Steve Vassallo (Foundation Capital), Tom Fleming (Venrex), Sophia Bendz (Cherry Ventures), Tony Fadell (Future Shape), Daniel Pilotti, Emilia Poret, Ryan Duranso, Susanna Campbell
Primer
Pre SeedDec 2025$500K
$330M
Co-investors: Guillaume Cabane (Sequoia Capital), Sonali De Rycker (Accel), Zach Klein (Founder Collective), Katie Haun (Haun Ventures), Kiha Lee (Primer Sazze Partners), Mike Marg (Craft Ventures), Kyle Tibbitts (Paradox Capital), Tommy Leep (Jetstream), Peter Tague (In-Q-Tel), Lee Fixel (Addition), Lachy Groom (LGF), minju lee (11), Jason Franklin (XStarPartners), Sam Altman, Guillaume Lestrade, Anna Yuan, Oleg Rogynskyy, David Mytton, Tony Xu, Julie Zhuo, Tobias Lutke, Amjad Masad
Openroll
Pre SeedDec 2025$500K
$500K
Rivet
Pre SeedDec 2025$500K
$34M
Co-investors: Jackson Moses (Afore Capital), Croom Beatty (Menlo Ventures), Adam Goulburn (Dimension Capital), Chad Packard (Pelion Venture Partners), Newth Morris (Ankona Capital), Andreas Klinger (Prototype Capital), Gale Wilkinson (Vitalize Venture Group), Steven Miller (Origin Ventures)
SellRaze
SeedDec 2025

Aaron Epstein's Experience

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

Aaron Epstein's Education

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