Fundraising Fox

Fifty Years

Venture capitalActively deployingoperating company · company profile

San Francisco · Pre-Seed–Seed · 17 people tracked

Also known as Fifty Years Deep · FIFTY YEARS INDUSTRIES, LLC

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Investment thesis

Fifty Years invests at the pre-seed and seed stages in founders who apply breakthrough science and technology to address humanity's biggest challenges, including climate change, disease, connectivity, and malnutrition. The firm has a strong emphasis on deep tech and scientist-founders, having backed dozens of PhD founders and CEOs, and positions itself as helping world-class scientists become world-class entrepreneurs. Beyond capital, 50Y helps start companies and is backed by a network of founders of billion-dollar technology companies who support the next generation. Its guiding philosophy is to use capitalism as a force for good.

Source: firm website, verified Aug 25, 2026.

Stage
Pre-Seed–Seed
Check
$250K – $2M
HQ
San Francisco, CA, US
Leads rounds
Follows
Instruments
Equity
Founded
2015
Last 12 months
6 investments
Private fund assets
$854.7M
VC funds
5
Tracked investments
158

Team · 17 people

from the firm's website & curated
Prof. Sir Tony Kouzarides· Venture Partner / Resident Knight

Investigator, serial founder, and mentor focused on impact.

Kasia Bojanowska· Designer

Artist, illustrator, and designer responsible for visual work at Fifty Years.

Kia Fathi· Head of Engineeringin

Veteran engineer, builder, and former founder.

Souvid· Creative Director (UK)in

Storyteller and filmmaker bringing human-centered storytelling to deep tech.

Ueli Friedli· Head of Financein

Finance generalist with broad experience.

Founder mafia

4 people who came through Fifty Years went on to found or lead other companies.

What they invest in

from 137 of 158 portfolio companies

Biotech ×73Deep Tech ×60AI & Machine Learning ×56Healthtech ×37Medical Devices ×18Advanced Manufacturing ×17Climate Tech ×17Cleantech ×15

HQs:United States×70United Kingdom×4Canada×3Germany×2Australia×1Spain×1

Who they back

founder profiles across 102 portfolio companies
37%
solo founders
38 of 102 mapped founding teams
49%
repeat founders
of 122 founders with career history
~3.5 yrs
old at investment
median across 12 dated deals

Founding team size:solo founder×382 founders×423 founders×144+ founders×8

Where their founders studiedfrom 111 founders with education data

Massachusetts Institute of Technology ×9University of California, Berkeley ×9Harvard University ×6University of Cambridge ×5Cornell University ×3Queen's University ×3Rutgers University ×3Stanford University ×3

Where their founders worked beforefrom 122 founders with career history

Stanford University ×15Harvard University ×5Caltech ×4Harvard Medical School ×4Massachusetts Institute of Technology ×3SpaceX ×3Wyss Institute for Biologically Inspired Engineering ×3Alix Ventures ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×43

59 founders hold a PhD · 4 hold an MBA (of 125 with degree data)

Investments · 158 tracked

founders shown can be your intro path

By year:2026 · 32025 · 42024 · 32023 · 42022 · 22021 · 22019 · 12017 · 120 dated

BillionToOnebilliontoone.comin𝕏NASDAQ: BLLN

BillionToOne is a precision diagnostics company that uses molecular counting technology to develop non-invasive prenatal screening and liquid biopsy tests for early disease detection.

BiotechDigital HealthHealthtechMedical DevicesSan Francisco, US

Oguzhan Atay, PhD(Co-Founder, CEO, and Board Chair)David Tsao, PhD(Co-Founder, CTO, and Board Member)Oguzhan Atay(Founder)inDavid Tsao(Founder/CTO)inSukrit Silas(Cofounder)

Co-investors500 Emerging Europe500 GlobalAsymmetry VenturesCivilization Ventures Management, Llce2vcFriale+15 more

Health Catalysthealthcatalyst.comin𝕏NASDAQ: HCAT

Health Catalyst provides a data platform, analytics applications, and AI-powered insights that help healthcare organizations improve clinical, financial, and operational performance.

AI & Machine LearningData & InfrastructureDigital Health

Co-investorsDecheng CapitalEPIC VENTURESKaiser Permanente VenturesNorwest Venture PartnersOSF VenturesTenaya Capital+1 more

Solugensolugen.comin𝕏Sep 2021✓ verified

Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.

Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US

Sean Hunt(Founder/CTO)inGaurab Chakrabarti(Founder)in

Board seatSeth Bannon· per SEC Form D

Co-investorsFounders FundLowercarbon CapitalY CombinatorBaillie GiffordGICKdT Ventures+22 more

Waferwafer.aiin𝕏✓ verified

Wafer develops performance optimization tools and services across GPU accelerators, architectures, and computing stack layers.

AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US

Emilio Andere(Founder)inSteven Arellano(Founder)in

Co-investorsY Combinator

54Gene54gene.comin𝕏Defunct

54Gene conducts genomics research and provides related services to increase the representation of African genetic data in medical research, which aims to advance healthcare solutions globally.

HealthtechWellness & FitnessLagos, NG

Gatumi Aliyu(Founder)inAbasi Ene-Obong(Founder)inOgochukwu Francis Osifo(Founder)in

Co-investorsAdjuvant CapitalEndeavor CatalystThe Raba PartnershipV8 Capital PartnersY Combinator

64x Bio64xbio.comin𝕏

64x develops infrastructure and manufacturing systems for next-generation medicines, focusing on genetic engineering, cell line development, and computational biology to enable scalability of advanced therapies.

AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSan Francisco, US

Lexi Rovner(Co-founder & CEO)in

Co-investorsFuture VenturesLifeforce CapitalRaptor GroupY CombinatorRefactor Capital

Aalo Atomicsaalo.comin𝕏

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.

Climate TechDeep TechEnergyHardware

Matt(Co-founder)inYasir(Co-founder)in

Co-investorsAlumni VenturesBasecamp FundBlack FlagBrave CapitalCrosscut VenturesDash VC+24 more

AcouBattacoubatt.ai

AcouBatt uses acoustic sensors and AI-powered signal classification, trained on a proprietary database of battery acoustic data, to non-invasively monitor battery cells in real time during formation, cycling and operation.

AI & Machine LearningDeep TechEnergy

Adaptionadaptionlabs.aiin𝕏Feb 2026

Adaption Labs builds adaptive AI systems that continually learn and adjust to specific industries, languages, and use cases, positioning itself against large monolithic, one-size-fits-all models.

AI & Machine LearningDeep Tech

Co-investorsAlpha Intelligence CapitalEmergence Capital PartnersMozilla VenturesThe E14 FundThreshold VenturesZ21 Ventures

Advancing reproductive medicinevertilityhealth.com

Co-investorsDraper Associates

Advanoadvano.ioin𝕏

Advano manufactures silicon-based anode materials for lithium-ion batteries that improve energy density and reduce costs for electric vehicles.

Advanced ManufacturingCleantechClimate TechNew Orleans, US

Shiva Adireddy(Founder/CTO)inAlexander Girau(Founder)in

Co-investorsAAF Management Ltd.Boot64 VenturesGlobivestInnovation CatalystNew Orleans Startup FundPartech Ventures+1 more

Airwatt

Clean drinking water from dry air

Algiplexalgiplex.co.ukin

Algiplex develops synthetic microbial ecosystems designed to boost microalgae biomass yields for algae producers, improving culture growth rate and resistance to culture crash events with minimal additional nutrient or energy costs.

AgTechBiotechCleantech

Alpine Bioalpbio.comin

Alpine Bio develops and commercializes functional proteins and bioactive ingredients for food, nutrition, and health applications, targeting formulators who need performance, supply reliability, and clean-label positioning.

AgTechBiotechFoodTechNew Materials

Co-investorsBreakthrough Energy VenturesGermin8 Ventures

Ansa Biotechnologiesansabio.comin𝕏

Ansa provides an enzymatic DNA synthesis platform that directly synthesizes complex sequences up to 900 bp and delivers constructs up to 50 kb without assembly-based methods.

BiotechDeep TechHealthtechEmeryville, US

Dan Lin-Arlow(Founder)inSebastian Palluk(Founder)inDaniel Lin-Arlow(Executive Officer, Director)Daniel Hillel Lin-Arlow(Executive Officer, Director)Jason T. Gammack(Executive Officer, Director)

BoardYanniv Dorone(Director)

Co-investorsCarbon SiliconDauntless VenturesMetaplanetY CombinatorFall Line CapitalHorizons Ventures+2 more

Antoraantora.comin𝕏

Antora manufactures thermal battery systems for long-duration energy storage, serving manufacturers and data centers seeking to tap into low-cost renewable power.

CleantechEnergyEnterprise SoftwareHardwareSunnyvale, US

Andrew Ponec(Chief Executive Officer, co-founder)inDavid BiermaninJustin BriggsinDavid Bierman, Ph.D.(Chief Commercial Officer, co-founder)Justin Briggs, Ph.D.(Chief Operating Officer, co-founder)

BoardChristina Karapataki(Director)in

Co-investorsTemasekCongruent VenturesCreative Destruction Lab (CDL)GS FuturesISVLoup Ventures+12 more

Antoraenergyantoraenergy.comin𝕏

Antora Energy builds factory-made thermal batteries that store intermittent low-cost electricity as heat in carbon blocks and deliver around-the-clock heat and power at scales from megawatts to gigawatts.

CleantechClimate TechEnergySan Jose, US

Andrew Ponec(Founder)in

Co-investorsBlackRockTemasekBreakthrough Energy VenturesISV

Apollo Atomics, Inc.apolloatomics.comin𝕏

Apollo Atomics develops compact nuclear power systems designed for rapid deployment.

Advanced ManufacturingClimate TechDeep TechEnergyBoston, US

Assil Halimi(Founder)inDrew Walker(Co-Founder/COO)in

Co-investorsKima VenturesOrange CollectivePerceptive Ventures Management Company, LlcScribble VenturesValia VenturesY Combinator

Aralez Bioaralezbio.comin

Aralez Bio produces noncanonical amino acids using biocatalysis, including compounds that add rigidity to peptide backbones and increase enzyme resistance.

BiotechCleantechClimate TechDeep TechNew MaterialsBerkeley, US

Tina Boville(Co-founder & CEO)David Romney(Co-founder)Frances Arnold(Co-founder / Scientific Founder)

Co-investorsAstiaFREEFLOWGood Growth CapitalISVJuniperPaladin Capital Group+1 more

Arpeggio Bioarpeggiobio.comin𝕏

Arpeggio Bio develops pharmaceutical drugs that target transcription factors using artificial intelligence and RNA-sequencing technology, with lead programs in development for melanoma treatment and rare disease applications.

BiotechHealthtechBoulder, US

Joey Azofeifa(Founder)inJoseph G. Azofeifa(Executive Officer, Director)Laura Norris(Executive Officer, Director)Timothy Read(Executive Officer, Director)Eric Martin(Executive Officer)

BoardAmit Mehta(Director)

Co-investorsFundersClubTau VenturesvenBio PartnersY CombinatorBoxOne VenturesvenBio Global Strategic+1 more

AssureDropassuredrop.comin𝕏

AssureDrop develops droplet microfluidics-based screening technology that works within standard multiwell plates for pipette-free, high-throughput screening of 3D cell models such as spheroids.

BiotechDeep TechHealthtech

Ankur Chaurasia(Founder)in

Astranisastranis.comin𝕏

Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

John Gedmark(Founder/CEO)inRyan McLinko(Founder/CTO)in

Co-investorsAndreessen HorowitzBlack FlagBoxGroupCantos VenturesCherubic VenturesCommonweal Ventures+37 more

Athelasathelas.comin𝕏Jan 2022

Athelas develops software tools for private practice healthcare providers to reduce administrative burden, improve operational efficiency, and enhance patient scheduling and navigation capabilities.

AI & Machine LearningEnterprise SoftwareHealthtechSaaSSan Francisco, US

Deepika Bodapati(Founder)inTanay Tandon(Founder)in

BoardHemant Taneja(Director)in

Co-investorsAmity VenturesDorm RoomGeneral CatalystHuman CapitalLiquid VenturesY Combinator+2 more

Atom Computingatom-computing.comin𝕏

Atom Computing develops large-scale quantum computers using optically-trapped neutral atoms for on-premises deployment.

Deep TechHardwareQuantum ComputingBerkeley, US

Ben Bloom(Founder & CEO)in

BoardDror Berman(Director)inEthan Batraski(Director)in

Co-investorsAbstract VenturesBerkeley FrontierBlue Ivy VenturesBoxGroupCantos VenturesCaruso Ventures+15 more

Avail Bioavail.bioin

Data and software platform to better understand the immune system

Nima C Emamiin

Co-investorsHAWKTAIL

Avro Life Scienceavrolifesci.com

Avro Life Sciences develops platform technology for novel drug delivery through passive transdermal administration.

BiotechHealthtechMedical DevicesWaterloo, CA

Shak Lakhani(Founder)inKeean Sarani(Founder)in

Co-investorsGarage CapitalHeuristic Capital PartnersUpHonest CapitalWaterloo Accelerator CentreY CombinatorEmbark Ventures

Azulene Labsazulenelabs.comin𝕏

Azulene Labs builds AI models combined with physics to predict molecular properties, binding affinities, and reaction energetics for structure-based molecular design across chemistry and biochemistry.

AI & Machine LearningBiotechDeep TechBerkeley, US

Co-investorsEntrada Ventures

Bioqore AIbioqore.aiin

Bioqore builds Voyager, an AI-powered closed-loop bioprocess intelligence platform that combines predictive modeling with micro-scale laboratory experiments to recommend and validate optimal process conditions for producing preclinical- and clinic-ready therapeutic candidates.

AI & Machine LearningBiotechDeep Tech

Joshua Hinckley(CEO)inBrendan Dang(COO)in

Co-investorsAdverb VenturesMaC Venture Capital

BioRenderbiorender.comin𝕏

BioRender is a software tool that enables scientists to create and share professional scientific illustrations and figures.

BiotechEdTechEnterprise SoftwareSaaSToronto, CA

Ryan Marien(Founder)inKatya Shteyn(Founder)inShiz Aoki(CEO and Co-founder)in

Co-investorsY CombinatorFundersClubStandard CapitalRefactor CapitalZeno Ventures

BIOS Healthbios.healthin𝕏Jun 2023

BIOS develops neural digital therapy technology to deliver treatments for neurological conditions.

AI & Machine LearningBiotechDigital HealthHealthtechMedical DevicesCambridge, GB

Oliver Armitage(Founder)inEmil Hewage(Founder/Director)in

Co-investorsHeuristic Capital PartnersKern Venture GroupThe Venture CollectiveY CombinatorSelvedge Venture

BioSens8biosens8.comin𝕏

BioSens8 develops a platform that identifies microbes to engineer biosensors for quantitative, real-time, and continuous monitoring.

BiotechDigital HealthMedical Devices

Birdwoodbirdwoodtherapeutics.com
BloomAPIbloomtext.comin

BloomText provides HIPAA-compliant messaging software built specifically for healthcare organizations.

Digital HealthHealthtechSaaSSeattle, US

Michael Wasser(Founder/CEO)inHeather Milone(Founder/Executive Business Advisor)in

Co-investorsY CombinatorSection 32Slow Ventures

Bnextbnext.bio

b.next develops technologies and infrastructure for building synthetic cells from scratch, working with researchers, universities, governments, and funders.

BiotechDeep Tech

Akshay Maheshwari, MD, PhD(Founder)in

Boltzboltz.bioin

Boltz develops generative AI models for biomolecular design and drug discovery, used by researchers across pharmaceutical, biotech, agricultural, and academic sectors.

AI & Machine LearningBiotechDeep TechLondon, GB

Gabriele Corso(Founder)inSaro Passaro(Founder)

Co-investorsAmplify PartnersAndreessen HorowitzAmplify Partners CVFactorial CapitalObvious VenturesZetta Venture Partners

Brave Carebravecare.com𝕏Aug 2019Defunct

Brave Care operates pediatric primary and urgent care clinics designed to treat common acute conditions in children, supplemented by remote consultations delivered by clinicians.

HealthtechPortland, US

Asa Miller(Founder)inDarius "Bubs" Monsef(Founder)inMaryam Taheri(Founder)inCorey Fish, MD(Founder)inGary Gerlacher(Executive Officer, Director)Corey Fish, M.D.(Executive Officer, Director)

Co-investorsAV8 VenturesVentureSouqY CombinatorCollaborative FundFlucas VenturesGreycroft+2 more

Cache Dnacache-dna.comin𝕏

Cache develops a platform for reliable long-term storage and access of biomolecules to support precision medicine and fundamental research.

BiotechDeep TechHealthtech

Co-investorsHAWKTAILJuniperLifeX VenturesTrousdale VenturesValkyrie

Catalogcatalogdna.comin𝕏

Biomemory develops DNA-based data storage systems for data centers, offering an alternative storage tier optimized for long-term archival, density, and energy efficiency.

Climate TechData & InfrastructureDeep Tech

Co-investorsCivilization Ventures Management, LlcHemisphere Ventures LLCNew Enterprise Associates (NEA)Prefix CapitalZ Venture CapitalCantos Ventures+3 more

Caucellcaucell.com

A biotech company associated with immunology and cellular research, listing medical and scientific advisors.

Biotech

Mark Davis(Founder and scientific advisor)

Co-investorsHumba Ventures

Clippershipclippership.co

Clippership designs and builds autonomous wind-powered vessels with wing-sails to move cargo across water using wind instead of fuel.

CleantechLogistics & Supply ChainRoboticsRedwood City, US

Kai Matsuka(CTO)Niccolo Cymbalist(Founder)Nico Cymbalist(CEO)Luca Cymbalist(COO)

Co-investorsBlack FlagFounders Factory

Cofactor Genomicscofactorgenomics.comin𝕏

Cofactor Genomics develops predictive diagnostics for cancer immunotherapy using RNA-expression models to characterize tumor microenvironments and predict patient response.

AI & Machine LearningBiotechHealthtechMedical DevicesSt. Louis, US

Dave Messina(Founder/COO)inJarret Glasscock(Founder/CTO)inJarret Glassock(Executive Officer, Director)Jon Armstrong(Director)

BoardMatthew A. Ocko(Director)inMark Siegel(Director)in

Co-investorsArgonautic VenturesAscension VenturesDCVC (Data Collective)iSelect FundMenlo VenturesY Combinator+1 more

Cosmic Aerospace, Inc.cosmicaerospace.com

Ultra efficient all-electric passenger aircraft with real range capabilities

Marshall Gusman(Founder)in

Co-investorsAera VCCourse Corrected VC Holding IISamurai IncubateSyndicate OnePossible Ventures

Coverbuildcover.com𝕏

Cover designs and builds modular homes using technological and material innovations to reduce construction waste and improve energy efficiency.

Climate TechConstruction TechPropTechGardena, Los Angeles, US

Alexis Xavier Rivas(Founder)in

Co-investorsEarl Grey CapitalGigafundGreat Oaks Venture CapitalManta Ray VenturesPartners Resolute

Cypher AIcypherbio.ai

Co-investorsConnecticut InnovationsMaC Venture Capital

Deck Biodeck.bio
Deepcelldeepcell.comin

Deepcell uses artificial intelligence and high-resolution imaging to analyze cell morphology for biological research and discovery.

AI & Machine LearningBiotechDeep TechMedical DevicesSunnyvale, US

Mahdokht Masaeli(Executive Officer, Director, Promoter)Mahyar Salek(Executive Officer, Director, Promoter)inMaddison Masaeli(Founder)inEuan Ashley(Director, Promoter)

Co-investorsAndreessen HorowitzBow CapitalDCVC (Data Collective)Horizons VenturesLifeX VenturesManta Ray Ventures

Devonian Systemsdevonian.ai
Digitdigit.bioin

Digital Biology (Digit Bio) develops precision biologics and combination therapies for solid tumors, using its M×P (Molecules × Phenotypes) Platform that combines high-resolution imaging, next-generation sequencing, computation, and AI to map the spatial molecular organization of tumor tissues.

AI & Machine LearningBiotechDeep TechHealthtech

Co-investorsA91 PartnersGoldman SachsHSBCMorgan StanleySteadview Capital

Dipole Labsdipolelabs.com

Dipole Labs develops photonic (optical) hardware intended to serve as the optical layer for AI and quantum computing infrastructure, aiming to overcome the physical limits of silicon in speed, density, and efficiency.

Advanced ManufacturingAI & Machine LearningDeep TechHardwareQuantum ComputingBoston, US

Gabriele Pasquale(Founder)inDeepankur Thureja(Founder)in

Co-investorsY Combinator

EARTH AIearth-ai.comin𝕏

Earth AI uses AI to locate critical mineral deposits by analyzing geological data, supporting the supply chain for hardware and emerging technologies.

Advanced ManufacturingAI & Machine LearningClimate TechDeep TechNew MaterialsSan Francisco, US

Roman Teslyuk(Founder)in

BoardIan Rountree(Director)inMikhail Taver(Director)Jamie Lee(Director)inIsabella Sykes(Director)Arnoud Balhuizen(Director)

Co-investorsAirTree VenturesAlpaca VCBlackbird VenturesCantos VenturesCorigin VenturesDCVC (Data Collective)+12 more

Electrofloweflowtech.cominSep 2025

eFlow extracts lithium from dilute brines in North America using direct lithium extraction technology, serving the clean energy and electric vehicle supply chain.

CleantechEnergyNew MaterialsSan Bruno, US

Eric McShane(CEO and co-founder)Evan Gardner(CTO and co-founder)

Co-investorsBlack FlagHarpoon VenturesUnion Square Ventures (USV)Voyager Partners

Elicitelicit.comin𝕏Jul 2023

Elicit is an AI-powered research assistant that helps users discover, analyze, and synthesize scientific literature and research findings.

AI & Machine LearningEdTechEnterprise SoftwareSaaSOakland, US

Andreas Stuhlmüller(Co-founder)Jungwon Byun(Founder)inAdam Heneghan(Executive Officer)

BoardKevin Willer(Director)John Elton(Director)John McGee(Director)

Co-investorsFootworkMythos Ventures Management, LlcPreston-Werner VenturesWinklevoss CapitalBasis Set Ventures

Enodaenoda.bioinFeb 2025

Enoda develops synthetic cytokine receptors, called MIMICs, that link therapeutic "Signal 3" cytokine functions to controllable inputs to engineer cell therapies without systemic toxicity.

BiotechDeep TechLondon

Andrew John Scobie(Executive Officer, Director)Michael Chavez(Co-founder & CEO)Paul Finn(Co-founder & CTO)Paul B. Finn(Founder)inJennifer Urquhart(Executive Officer, Director)Jacqueline Elizabeth Porch(Executive Officer, Director)

Co-investorsMBX Capital

ethicethic.comin

Ethic offers direct indexing and tax-smart portfolio management, providing customizable passive portfolios engineered for tax efficiency, factor exposures, and values alignment.

FintechImpact & Social GoodPropTechSaaSNew York, US

Doug Scott(CEO & Co-founder)Jay Lipman(Founder)inJohny Mair(Founder)inDouglas Scott(Executive Officer, Director)John Morris(Director)John Mair(Director)

Co-investors500 GlobalBetter Tomorrow VenturesBlackhorn VenturesFarvatn VentureKima VenturesNyca+6 more

Externaexterna.bio

Externa develops biologics using genetic code expansion, a technology aimed at incorporating synthetic amino acids into proteins of any type and size.

BiotechDeep Tech

Factionfaction.usin𝕏Oct 2023Defunct

Faction develops a hybrid autonomous vehicle platform called DriveLink that combines autonomy with remote human assistance (TeleAssist) for driverless fleet operations.

Advanced ManufacturingAI & Machine LearningLogistics & Supply ChainMobility & TransportationRoboticsSan Francisco, US

Ain McKendrick(Founder)in

Co-investorsKube VCY CombinatorFactionLightspeed FactionTDK Ventures

Farcastfarcast.comin

Farcast develops advanced satellite communication user terminals with flat panel phased array antennas that electronically track satellite movement for reduced size, weight, power, and cost.

Advanced ManufacturingHardwareSpace TechSan Francisco, US

Siamak Ebadi(Founder)in

BoardDavid Byrd(Director)inGuido Jouret(Director)

Co-investorsBlueYard CapitalGarage CapitalMaC Venture CapitalY CombinatorLockheed Martin VenturesMango Capital+1 more

Find What Matters AIfindwhatmatters.ai

IGOR is a multi-agent AI platform, or "AI co-scientist," designed to accelerate R&D and experimental discovery by closing the loop between hypothesis and empirical validation.

AI & Machine LearningBiotechDeep Tech

Dr. Scott C. Riggs(Founder)in

Floatfloatcargo.comin𝕏

Float builds large rigid-frame autonomous airships as an industrial freight platform, using modern materials, sensing, autonomy, and meteorology for lighter-than-air cargo logistics.

Deep TechLogistics & Supply ChainRobotics

Exits · 2

IPOs and acquisitions across the tracked portfolio

BillionToOneNASDAQ: BLLNHealth CatalystNASDAQ: HCAT

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Fifty Years made?
Fifty Years has 150 tracked investments, 4 of which have exited via acquisition or IPO, including 4 dated in the last 24 months.
What stage does Fifty Years invest at?
Fifty Years invests at the Pre-Seed, Seed stages.
What is Fifty Years's typical check size?
Fifty Years typically writes checks of $250K – $2M.
What sectors does Fifty Years focus on?
Fifty Years focuses on AgTech, AI & Machine Learning, Biotech, Climate Tech, Deep Tech.
Where is Fifty Years located?
Fifty Years is headquartered in San Francisco, US.
Does Fifty Years lead rounds?
Fifty Years typically participates in rounds rather than leading them.
Who does Fifty Years co-invest with?
Fifty Years most often shares deals with Y Combinator, Metaplanet, FundersClub, among 414 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Mr. and Mrs: Fifty Years: Sneak Peek Into The Life of Ela Madej and Seth Bannon I Slush 2021

Slush · Ela Madej

Sean Hunt (Solugen) & Seth Bannon (Fifty Years): From Academia to Entrepreneurship | Slush 2021

Slush · Seth Bannon

Impact Investing 🌟 w/ Seth Bannon - Founding Partner @ Fifty Years | BIOS

BIOS · Seth Bannon

New Type of Therapeutic Unicorns 🎉 w/ Seth Bannon - Founding Partner @ Fifty Years | BIOS

BIOS · Seth Bannon

What Will Biotech Look Like in 2050? ✨ w/ Seth Bannon - Founding Partner @ Fifty Years | BIOS

BIOS · Seth Bannon

Ela Madej, Co-Founder & Partner, FIFTY YEARS, USA

Rethink Events · Ela Madej

Co-investors · 54

Refactor Capital

Refactor is a seed-stage venture firm run as a solo capitalist by Zal, backing founders building hard tech companies that address real-world problems.

$1M – $2M
Union Square Ventures (USV)

Union Square Ventures is a venture capital firm based in New York City that invests at the edge of large markets undergoing transformation from technological and societal pressures.

$1M – $8M
SV Angel

SV Angel is a firm that has backed startup founders since the 1990s, leveraging a large network of founders, industry leaders, and regulators to support portfolio companies.

Liquid Ventures

Liquid 2 is an early- and growth-stage venture capital firm that invests in founders across all sectors of technology, providing capital along with support from a network of operators.

$250K – $5M
Lux Capital

Lux Capital is a venture capital firm that backs founders building transformative deep technologies, having been among the first investors in category-defining companies across AI, robotics, biotech, defense, and infrastructure.

$100K – $100M
Preston-Werner Ventures

Preston-Werner Ventures is a venture capital firm associated with Tom Preston-Werner, cofounder of GitHub, who has moved into venture investing.

$500K – $3M
UpHonest Capital

UpHonest Capital is a Silicon Valley-based investment firm founded in 2017 that supports cross-border entrepreneurship and investment between China and the United States, and runs media, scout, and incubation programs.

$50K – $1M
Sequoia Capital

Sequoia Capital is a venture capital firm that partners with founders to build technology companies.

Both backed · 2
$4.4M – $214M
Founders Fund

Founders Fund is a venture capital firm that backs technology companies building transformative products.

$500K – $5M
Amplify Partners

Amplify Partners is a venture capital firm that backs technical founders — engineers, researchers, and scientists — building companies across AI/ML, data infrastructure, developer tools, and life sciences.

Both backed · 2
$500K – $5M
Avalanche VC

Avalanche is a private investment firm led by Katelyn Donnelly that invests early in technology companies at structural inflection points, pairing capital with operational experience in complex markets like government, energy, and critical infrastructure.

$25K – $1M
Susa Ventures

Susa Ventures operates two early-stage technology funds that invest in companies leveraging data, network effects, and economies of scale.

Both backed · 1
$1M – $5M
42 more co-investors

Lowercase CapitalArray Ventures Management LlcWinklevoss CapitalAnorak VenturesMango CapitalPlayground GlobalHelium-3 VenturesFoundamentalBlueYard CapitalPi LabsInflection.xyzCraft VenturesBain Capital VenturesKrakenOffline VenturesPioneerBuckley Ventures Management Company LlcHack VCThrive CapitalM13LightbankUncorrelated VenturesHaun VenturesDawn CapitalNotation CapitalHighbury HoldingsSweet CapitalStealth CapitalAmbush Capital8090 IndustriesNIVEvolve VC FundsGemini Israel VenturesAmino CollectivePTC PolymarketAir Street CapitalCloudflare, Inc.Cerulean VenturesCambridge Angels groupPalo Santo VCMystic VenturesAxial VC

Firms observed investing alongside Fifty Years, from public investor directories. Shared companies are the overlap with Fifty Years's recorded portfolio.

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$270K – $3.2M
Khosla Ventures

Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.

$5K – $50M
Voima Ventures

Voima Ventures is a deep tech venture capital firm that backs founders building global solutions across people, planet, and industry, from technology spin-offs to scaling companies.

$216K – $3.2M

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