Investing Profile

Seth Bannon

VCFounderFormer CEOInvestor

Founding Partner at Fifty Years

sethbannon.comSan Francisco, California
Photo of Seth Bannon, Managing Partner at Fifty Years

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Harvard University Network
Fifty Years Managing Partner
$400K - $1.5M
CompanyStageDateRound SizeTotal Raised
Seed RoundOct 2021$12M
Co-investors: Chris Schaepe (Lightspeed Venture Partners), Tom Preston-Werner (Preston-Werner Ventures), Lenny Rachitsky (AirAngels), Sriram Krishnan (Angel Collective Opportunity Fund), Ellen Levy (Silicon Valley Connect), Sukhinder Singh Cassidy (aCrew Capital), Mike Dauber (Amplify Partners), Andrew Berman, Stephanie Palmeri
Seed RoundOct 2021$5M
Co-investors: Hemant Taneja (General Catalyst), Jeremy Fiance (The House Fund), Brett Wilson (Swift Ventures)
Series CSep 2021$350M
Series BMay 2019$32M
Series AOct 2018$19M
Pre Seed RoundMar 2017
Co-investors: Brian Singerman (Founders Fund), Zal Bilimoria (Refactor Capital), Joe Montana (Liquid 2 Ventures), Arjun Sethi (Tribe Capital), Ed Roman (Hack VC), Susan Hobbs (CrunchFund), Mack Healy (KdT Ventures), Jude Gomila (Jude Gomila Rolling Fund), Ian Rountree (Cantos Ventures), Todd Corenson
Atom Computing
Series AJul 2021$15M
Co-investors: Kyle Lui (DCM), Dror Berman (Innovation Endeavors), Ethan Batraski (Venrock), Ian Rountree (Cantos Ventures)
Seed RoundAug 2019$2.5M
Series AAug 2019$2.5M
Co-investors: Vishal Harpalani (HyperFund), Kingsley Advani (305 Ventures), Ali Tamaseb (DCVC (Data Collective)), Jude Gomila (Jude Gomila Rolling Fund), Ian Rountree (Cantos Ventures), Kyle Vogt, Mathieu Guerville
Boundary Layer Technologies
Seed RoundMar 2019$2.3M
Co-investors: Kunal Sethi (Prithvi Ventures), Ed Roman (Hack VC), Kenneth Ballenegger (Oyster Ventures), Jude Gomila (Jude Gomila Rolling Fund), Tim Seears
Corporate RoundMar 2019$3.1M
Co-investors: Jay Eum (GFT Ventures), George Burke, Aaron Harris
Ansa Biotechnologies
Pre Seed RoundDec 2018$1.3M
Founding Partner Fifty YearsPresent
Founder and CEO Amicus, Inc.Present
Caddie New Haven Country ClubPresent
Operations Director Ned Lamont for Governor2010 - 2010
Operations Director Citizens for Alan Khazei2009 - 2009
Field Organizer Obama for America2008 - 2008
MA Deputy State Coordinator, Students for Barack Obama Obama for America2008 - 2008
Field Organizer Ned Lamont for Senate2006 - 2006
Harvard University Extension School
Guilford High School