Investing Profile

Michael Seibel

VCInvestorAngel
Managing Director and Group Partner at Y Combinator
michaelseibel.comSan Francisco, California
Photo of Michael Seibel, Managing Director at Y Combinator

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Yale University Network
129 CONNECTIONS
Y Combinator Network
38 CONNECTIONS
Y Combinator Network
38 CONNECTIONS
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Y Combinator Managing Director
$150K - $150K
$150K
192
CompanyStageDateRound SizeTotal Raised
DianaHR
SeedSep 2025$4M
Pre SeedFeb 2024$500K
$4.5M
Co-investors: Justin Kan (Goat Capital), Mike Miller (Liquid 2 Ventures), Jonathan Ehrlich (Foundation Capital), Yuri Sagalov (10100), Kevin Mahaffey (SNR), Immad Akhund, Arash Ferdowsi, Emmett Shear
MarqVision
Series BSep 2025$48M
Series AOct 2024$16M
Series AAug 2022$25M
SeedSep 2021$5M
$94M
Co-investors: Shailendra Singh (Peak XV Partners (formerly Sequoia Capital India & SEA)), Ken Asada (Salesforce Ventures), Daniel Shin (BASS Investment), John Lindfors (DST Global)
Motion
Series CSep 2025$8M
Series CJun 2024$38M
Series BMay 2023$14M
Series ASep 2022$13M
$110M
Co-investors: Stacey Bishop (Scale Venture Partners), Chris Moreno (Infinite Niches), Ben Zises (SuperAngel.Fund), Victor Wang (HOF Capital), Karamdeep Nijjar (iNovia Capital), Sam Altman
Recall.ai
Series BSep 2025$38M
$51M
Co-investors: Talia Goldberg (Bessemer Venture Partners), Akriti Dokania (Ridge Ventures (Formerly known as IDG Ventures USA)), Siqi Chen, Eoghan McCabe
Kira
SeedAug 2025$7M
$28M
Co-investors: Carmen Chang (New Enterprise Associates (NEA)), Andrew Ng (AI Fund), Rob Schmults (Blockchange Ventures), Ken Seiff (Blockchange Ventures)
arketa
Series AJun 2025$15M
SeedDec 2022$8M
$23M
Co-investors: Hayley Barna (First Round Capital), Amy Fu (First Round Capital), Alexa von Tobel (Inspired Capital), Chris Brown (Inspired Capital), Patrick Yang (Amity Ventures), Lucy Deland (Inspired Capital), Allison Pickens (Allison Pickens Ventures, formerly The New Normal Fund), Chris Hulls
Axle Health
Series AMay 2025$10M
Pre SeedMar 2021$200K
$25M
Co-investors: Vivien Ho (Pear VC), Mar Hershenson (Pear VC), Carl Byers (F-Prime Capital Partners), Gustaf Alströmer (Y Combinator), Eric Ong (Lightbank), Nikhil Krishnan, Ralph Gootee
Arena
Series BApr 2025$30M
Series AAug 2022$32M
$78M
Co-investors: Murat Bicer (CRV), Peter Thiel (Founders Fund), Romero Rodrigues (Headline (formerly e.ventures)), Brian Rowen (Great Oaks Venture Capital), Colin Anderson (Friends & Family Capital), David Petraeus
Partner Y Combinator2014 - Present
Part-time Partner Y Combinator2013 - 2014
CEO Socialcam2011 - 2014
CEO Justin.tv2006 - 2011
Finance Director Mfume for US Senate 20062005 - 2006
Yale University BA Political Science