Seth Bannon

Partner · Fifty Years · San Francisco, United States

Leads roundsDecision makerActive

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Founding Partner at Fifty Years

Stages: Pre-seed, Seed
Cheque size: €368k–€1.4M
Location: San Francisco, United States
Freshness: Verified today

Notable investments

GridwareSeries B · $55M · 2025
Blueprint Bryan JohnsonAngel · $60M · 2025
TangibleSeed · $3M · 2023
FarcastSeries A · $8M · 2022
MoleculeSeed · $13M · 2022
Valence DiscoverySeed · $7M · 2021
FluxSeed · $12M · 2021
SolugenSeries B · $32M · 2019

Frequently co-invests with

Balaji Srinivasan2×Adam LisagorAdam ZoblerFoundamentalAjay AgarwalBain Capital VenturesAndrew BermanAndrew KeysAndrew SteinwoldAndy McLoughlinUncork CapitalArjun SethiKraken Digital Asset ExchangeBeth TurnerSV AngelBill LeeCraft VenturesBrad FloraY Combinator

Background

Founding PartnerFifty Years
Founder and CEOAmicus, Inc.
CaddieNew Haven Country Club
Operations DirectorNed Lamont for Governor2010–2010
Operations DirectorCitizens for Alan Khazei2009–2009
Field OrganizerObama for America2008–2008
MA Deputy State Coordinator, Students for Barack ObamaObama for America2008–2008
Field OrganizerNed Lamont for Senate2006–2006

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