Investing Profile

Dalton Caldwell

VCInvestorAngel
Managing Director at Y Combinator
daltoncaldwell.comSan Francisco, California
Photo of Dalton Caldwell, Managing Director at Y Combinator
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Networks Dalton is a member of
Y Combinator Network
37 CONNECTIONS
Y Combinator Network
37 CONNECTIONS
Y Combinator Network
37 CONNECTIONS

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Current Investing Position
Y Combinator Managing Director
Investment Range
$150K - $150K
Sweet Spot
$150K
Investments On Record
166

Dalton Caldwell is on these Sector & Stage Rankings

Dalton Caldwell's Investments On Record (150)

CompanyStageDateRound SizeTotal Raised
Flex
Series ASep 2025$15M
SeedSep 2024$3M
Pre SeedSep 2023
$72M
Co-investors: Beth Turner (SV Angel), Charles Hudson (Precursor Ventures), Yash Patel (FTX Ventures), Sriram Krishnan (Andreessen Horowitz), Jeffrey Berman (Camber Creek), Liz Wessel (First Round Capital), Turner Novak (Banana Capital), Jon Soberg (MS&AD Ventures), Mark Kahn (Bria Fund), Dana Stalder (Matrix), Zaid Rahman (305 Ventures), Saxon Baum
Novig
Series AAug 2025$18M
SeedSep 2022$6M
Pre SeedJun 2022$500K
$25M
Co-investors: Joe Montana (Liquid 2 Ventures), Nicolas Dessaigne (Y Combinator), Aneel Ranadive (Soma Capital), Arash Ferdowsi, Paul Graham
Heron Data
Series AJul 2025$17M
$18M
Co-investors: Nimi Katragadda (BoxGroup), Philine Huizing (Insight Partners), Adam Rothenberg (BoxGroup), Auren Hoffman (Flex Capital), Brad Flora (Y Combinator), Shivaas Gulati
Campfire
Series AJun 2025$39M
SeedFeb 2024$4M
$43M
Co-investors: John Locke (Accel), Angus Davis (Foundation Capital)
Crimson
Pre SeedJun 2025$500K
$500K
Claim Health
Pre SeedJun 2025$500K
$500K
Trapeze
Pre SeedJun 2025$500K
$500K
Galen AI
Pre SeedJun 2025$500K
$500K

Dalton Caldwell's Experience

Managing Director Y Combinator2020 - Present
Partner Y Combinator2014 - Present
Part-time Partner Y Combinator2013 - 2014
Founder/CEO App.net2010 - 2014
Consultant MySpace2009 - 2010
Founder/CEO imeem, inc2003 - 2009
Intern VA Software2002 - 2003