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Seth Bannon

InvestorFounder

General Partner at Fifty Years · Board director at Solugen

San Francisco, California

Writes $250K – $2M checks · typically $1M

FoundedFifty Years

Find your path to Seth

293 people in our graph can introduce you to Seth.

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Ask Elena Mosse to introduce you to Seth

You →Elena · together at Fifty Years (2021–2022) →Seth

Ask Jamie Chen to introduce you to Seth

You →Jamie · 11 people · together at Fifty Years →Seth

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About

Entrepreneur and investor focused on helping scientists and engineers become founders.

Contact· published on Seth's own website

Invests in

AgTechAI & Machine LearningBiotechClimate TechCloud ComputingConsumerCrypto & Web3Deep TechE-commerceEdTechEnterprise SoftwareFintechFoodTechFuture of WorkGamingGovTechHardwareHealthtechInsurTechMarketplacesMedical DevicesRoboticsSaaSSpace Tech

Board director at SolugenYC W17

Intro paths

YC

Solugen went through Y Combinator (Winter 2017) — Seth sits on its board, so any YC alum in your network can reach them through the company's founders.

GP

Solugen's group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Solugen's batch and knows the company first-hand. YC profile ↗

→

In turn, Seth can intro founders to Solugen's investors below.

Solugen's investors · 47

1984 Ventures Management, LlcSan Francisco · $750K – $1M checksAera VCSingapore · $25K – $5M checksAgrolimen VenturesArray Ventures Management LlcSan Francisco · $1.5M checksATEL VenturesSan FranciscoBaillie GiffordEdinburgh · since 2021BlackRockMexico City · since 2021BoxGroupNew York · $250K – $1M checksBuckley Ventures Management Company LlcNew York · $300K checksCanada Growth FundMontreal · since 2026Cantos VenturesSan Francisco · $400K – $1.5M checksCarbonAmsterdam · $21.6K checks · since 2021Congruent VenturesSan Francisco · $100K – $5M checksFalkon VenturesTexasFifty YearsSan Francisco · $250K – $2M checks · since 2021Founders FundSan Francisco · $500K – $5M checks · since 2019FrialeNashville · $100K – $600K checksFundersClubSan Francisco · $290K – $5M checksGICSingapore · since 2021Harpoon VenturesSan Diego · $100K – $5M checksHighburyInvesto CapitalAalborg · $30K – $3M checksJude GomilaLynnwoodK5 GlobalSan Francisco · $1M – $3M checksKdT VenturesAustin · $500K – $3M checksKinnevikStockholmLiquid VenturesSan Francisco · $250K – $5M checksLowercarbon CapitalLos Angeles · $100K – $5M checks · since 2021Lowercase CapitalJacksonMeron CapitalTel AvivMetaplanetTallinn · $500K – $10M checksNeonNew YorkNext Legacy PartnersPortola ValleyOurCrowdJerusalem · $604K – $65M checksPrelude VenturesSan Francisco · $100K – $5M checksRed Rooster VenturesSan MateoRefactor CapitalBurlingame · $1M – $2M checksRefactor IvyBurlingameRuvento Ventures Pte Ltd.Singapore · $100K – $500K checksSoma CapitalSacramento · $100K – $300K checksTaurus VenturesBangkokTemasekSingaporeTrousdale VenturesWest Hollywood · $1M – $5M checksTuesday CapitalSan FranciscoValor Equity PartnersChicagoVenture Investment AssociatesPeapackY CombinatorSan Francisco · $500K checks · since 2017

Co-founders at Solugen

SHSean Hunt
Sean HuntFounder/CTO
GCGaurab Chakrabarti
Gaurab ChakrabartiFounder

Founder at Fifty Years

Intro paths

→

In turn, Seth can intro founders to Fifty Years's investors below.

Fifty Years's investors · 4

Beast VenturesHong KongBlue Haven Initiative$50K – $500K checksNexus BayTelegraph BayY CombinatorSan Francisco · $500K checks · since 2026

Experience

  1. Fifty YearsFounding Partnercurrent2015 — presentSan Francisco Bay Area
  2. Amicus, Inc.Founder and CEO2011 — 2016Greater New York City Area
  3. Ned For CTOperations Director2010
  4. Citizens for Alan KhazeiOperations Director2009
  5. Obama for AmericaOrganizer2008Ohio
  6. Obama for AmericaMA Deputy State Coordinator, Students for Barack Obama2008
  7. Ned Lamont for SenateOrganizer2006

Skills & more

Social Entrepreneurship31Community Organizing14Fundraising33Entrepreneurship32Non-profits13Politics56Start-ups14Product Development7Nonprofits11Angel Investing3Strategic Communications9Political Campaigns8
+8 moreVolunteer ManagementCommunity OutreachSocial MediaSocial NetworkingStrategic PartnershipsLeadershipPublic SpeakingStrategy

From Seth's professional profile.

Deals · 1

SolugenBoard seat

via Fifty Years · filed Nov 2018 · $18.8M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Sources: SEC Form D filings · curated public sources · the firm's website.

Colleagues at Fifty Years

Ale Borda
Head of 5050 at Fifty Years
Alex Teng
Partner at Fifty Years
D. Scott Phoenix
Partner at Fifty Years
Drew Moxon
Head of Platform and Product at Fifty Years
Ela Madej
Founding Partner at Fifty Years
Joe Fox
Engineer at Fifty Years
Kasia Bojanowska
Designer at Fifty Years
Kia Fathi
Head of Engineering at Fifty Years

Network2

Andrew Steinwold
Managing Partner at Fermion
Ela Madej
Founding Partner at Fifty Years

Investors connected to Seth in public investor directories — a warm-intro map.

Frequently asked questions

Who is Seth Bannon?
Entrepreneur and investor focused on helping scientists and engineers become founders.
Where does Seth Bannon work?
Seth Bannon is Founder of Fifty Years and General Partner at Fifty Years and Board director at Solugen.
What does Seth Bannon invest in?
Seth Bannon invests in AgTech, AI & Machine Learning, Biotech, Climate Tech, Cloud Computing, Consumer, Crypto & Web3, Deep Tech, E-commerce, EdTech, Enterprise Software, Fintech, FoodTech, Future of Work, Gaming, GovTech, Hardware, Healthtech, InsurTech, Marketplaces, Medical Devices, Robotics, SaaS, Space Tech.
What check size does Seth Bannon write?
Seth Bannon typically writes checks of $250K – $2M.
What companies did Seth Bannon found?
Seth Bannon founded Fifty Years.
What boards does Seth Bannon sit on?
Seth Bannon holds tracked board seats at Solugen.
What companies has Seth Bannon invested in?
Investments tracked here include Advano, Ansa Biotechnologies, Astranis, Athelas, Avro, Blueprint Bryan Johnson, Faction, Farcast, Flux, Gridware, Healthleap, Manifold Bio, and 10 more.
Where did Seth Bannon go to school?
Seth Bannon studied at Harvard University (Extension School); Guilford High School; Y Combinator (S12).

Founder mafias

Same school

Shared employers

Also worked at Amicus, Inc.1

Jeff ColemanCEO & Co-Founder at Eli