Investing Profile

Seth Bannon

VCFounderFormer CEOInvestor
Founding Partner at Fifty Years
sethbannon.comSan Francisco, California
Photo of Seth Bannon, Partner at Fifty Years
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Networks Seth is a member of
Harvard University Network
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Current Investing Position
Fifty Years Partner
Investment Range
$400K - $1.5M
Sweet Spot
$1M
Investments On Record
20

Seth Bannon is on these Sector & Stage Rankings

Seth Bannon's Investments On Record (15)

CompanyStageDateRound SizeTotal Raised
Gridware
Series BNov 2025$55M
SeedJun 2023$11M
$97M
Co-investors: Bryan Schreier (Sequoia Capital), Priscilla Tyler (True Ventures), Shuo Yang (Lowercarbon Capital), Chris Sacca (Lowercase Capital)
Blueprint Bryan Johnson
AngelOct 2025$60M
$60M
Co-investors: Joe Lonsdale (8VC), Joshua Kushner (Thrive Capital), Saturnin Pugnet (Unknown Ventures), Kevin Hartz (A* Capital (A Star Capital)), Travis Scher (North Island Ventures), Steve Aoki (Dim Mak), Shayne Coplan (Polymarket), Bradley Keywell (Lightbank), Pippa Lamb (Sweet Capital), Olaf Carlson-Wee (Cryptographic Financial), Carter Reum (M13), Dave Morin (Offline Ventures), Kamal Ravikant (Evolve VC), Bill Lee (Craft Ventures), Cameron Winklevoss (Winklevoss Capital), Tyler Winklevoss (Gemini Israeli Ventures), Naval Ravikant (Sm4rt Predictive Systems), Balaji Srinivasan, Drew Houston, Kyle Widrick, Bryan Meehan, Logan Paul, Emmett Shear, Chris Hollod, Jaan Tallinn, Eric Demuth
Tangible
SeedMay 2023$3M
$3M
Co-investors: Adam Zobler (Foundamental), Faisal Butt (Pi Labs)
Farcast
Series ADec 2022$8M
SeedMar 2020$5M
Pre SeedDec 2019$570K
$22M
Co-investors: Jake Medwell (8VC), Beth Turner (SV Angel), Josh Buckley (Buckley Ventures), Jackson Moses (Afore Capital), Robin Vasan (Mango Capital), Jude Gomila (Golden (Recursion Inc)), David Byrd (BlueYard Capital), Salil Deshpande (Uncorrelated Ventures), Immad Akhund (Y Combinator)
Molecule
SeedJun 2022$13M
$21M
Co-investors: Mo Koyfman (NewCo), Tim Schlidt (Palo Santo VC), Manuel Grossmann (Amino Collective), Justin Olshavsky (Pioneer Fund), Laurens de Poorter (Dawn Capital), Jahed Momand (Cerulean Ventures), Laurence Ion (Vitality Healthspan Foundation), Philipp Banhardt (BlueYard Capital), Ronjon Nag (Cambridge Angels), Katelyn Donnelly (Avalanche VC), Nitin Sharma (Antler), Balaji Srinivasan, Andrew Steinwold, Luis Cuende, Andrew Keys
HealthLeap
Pre SeedJan 2022$1M
$1M
Valence Discovery
SeedDec 2021$7M
$9M
Co-investors: Milad Alucozai (Entrepreneur First), Nathan Benaich (Air Street Capital), Jonathan Milner
Flux
SeedOct 2021$12M
$15M
Co-investors: Ajay Agarwal (Bain Capital Ventures), Andy McLoughlin (Uncork Capital), Sukhinder Singh Cassidy (aCrew Capital), Mike Dauber (Amplify Partners), Ellen Levy (Silicon Valley Connect), Stephanie Palmeri (NextView Ventures), Tom Preston-Werner (Preston-Werner Ventures), Lenny Rachitsky (Self-employed), Sahin Boydas (Angel investor), Sriram Krishnan (Kearny Jackson), Chris Schaepe, Adam Lisagor, Andrew Berman

Seth Bannon's Experience

Caddie New Haven Country ClubPresent
Founder and CEO Amicus, Inc.Present
Founding Partner Fifty YearsPresent
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

Seth Bannon's Education

Harvard University Extension School
Guilford High School