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
402 CONNECTIONS

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Current Investing Position
Fifty Years Partner
Investment Range
$400K - $1.5M
Sweet Spot
$1M
Investments On Record
15

Seth Bannon is on these Sector & Stage Rankings

Seth Bannon's Investments On Record (11)

CompanyStageDateRound SizeTotal Raised
Gridware
Series BNov 2025$55M
SeedJun 2023$11M
$97M
Co-investors: Shuo Yang (Lowercarbon Capital), Chris Sacca (Lowercarbon Capital), Bryan Schreier (Sequoia Capital), Priscilla Tyler (True Ventures)
Blueprint Bryan Johnson
AngelOct 2025$60M
$60M
Co-investors: Joe Lonsdale (8VC), Joshua Kushner (Thrive Capital), Saturnin Pugnet (Unknown Ventures), 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), Emmett Shear, Balaji Srinivasan, Chris Hollod, Drew Houston, Eric Demuth, Steve Aoki, Kyle Widrick, Bryan Meehan, Logan Paul
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: Beth Turner (SV Angel), Jake Medwell (8VC), Josh Buckley (Buckley Ventures), Jackson Moses (Afore Capital), David Byrd (BlueYard Capital), Salil Deshpande (Uncorrelated Ventures), Immad Akhund (Y Combinator), Robin Vasan (Mango Capital), Jude Gomila (Golden (Recursion Inc))
Molecule
SeedJun 2022$13M
$21M
Co-investors: Laurens de Poorter (Dawn Capital), Jahed Momand (Cerulean Ventures), Laurence Ion (Vitality Healthspan Foundation), Philipp Banhardt (BlueYard Capital), Ronjon Nag (Stanford University), Katelyn Donnelly (Avalanche VC), Mo Koyfman (NewCo), Balaji Srinivasan, Andrew Steinwold
Valence Discovery
SeedDec 2021$7M
$9M
Co-investors: Milad Alucozai (Entrepreneur First), Jonathan Milner
Flux
SeedOct 2021$12M
$15M
Co-investors: Andy McLoughlin (Uncork Capital), Ajay Agarwal (Bain Capital Ventures), Sriram Krishnan (Kearny Jackson), 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), Andrew Berman, Chris Schaepe, Adam Lisagor
Solugen
Series BMay 2019$32M
SeedOct 2017$4M
$66M
Co-investors: Joe Montana (Liquid 2 Ventures), Zal Bilimoria (Refactor Capital), Brad Flora (Y Combinator), Ling Wong (Highbury Group), Shruti Gandhi (Array Ventures), Susan Hobbs (Cloudflare, Inc.), Ed Roman (Hack VC), Arjun Sethi (Kraken Digital Asset Exchange), Brian Singerman (The Founders Fund), Todd Corenson, Matt Bellamy

Seth Bannon's Experience

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

Seth Bannon's Education

Harvard University Extension School
Guilford High School