Fundraising Fox

Stephen Chambers

Investor

General Partner at SOSV

New York, New York

Writes $100K – $2M checks Β· typically $1M

About

Stephen Chambers is a General Partner at SOSV and Managing Director of SOSV NY, which he co-founded in 2020 after mentoring the program's life science startups since 2018. He holds a PhD in Molecular Biology and has extensive pharma entrepreneurship experience, having been a founding scientist at Vertex Pharmaceuticals, co-founded Abpro Therapeutics, and served as CEO of SynbiCITE and co-founder of the UK accelerator Bio-start.

LinkedIn β†—X / Twitter β†—Website β†—
Latest on 𝕏

Stephen Chambers @spchambers007

Fantastic milestone for Cayuga. From the first check to first-in-human dosing, this team has executed at a world-class level. A major step toward transforming care for life-threatening hemorrhage #CayugaBiotech #CAY001 @SOSV @indbio #NY #Phase1 #therapeutics First Subject

Dec 16, 2025

Stephen Chambers @spchambers007

The Markets (Baskets) don’t lie Three years, same freezer aisle β€” shrinking shelf space for plant-based foods πŸ“ˆStalwarts @MorningStrFarms & @gardein hold their strong presence, while @ImpossibleFoods & @BeyondMeat take up a smaller footprint πŸ“‰ Was it hype, Covid-fueled https://t.co/s2JASqNEaw

Jul 31, 2025

Stephen Chambers @spchambers007

#Founders: Just over a month until the next @indbio #NewYork cohort kicks off and we’ve got room for a couple more companies If you're turning bold science into a world-changing company, this is your launchpad DM me - Let’s build the future of life itself 🌍🧬 #IndieBio

Jul 31, 2025 Β· β™₯ 3 Β· ⇄ 2

Experience

  1. SOSVManaging Director & General Partner at SOSV NYcurrent2020 β€” presentNew York, United States
  2. Imperial College LondonRoyal Society Entrepreneur in Residence2019 β€” 2021Greater London, England, United Kingdom
  3. Bio-startCo Founder2016 β€” 2018Greater London, England, United Kingdom
  4. SynbiCITECEO2014 β€” 2018Greater London, England, United Kingdom
  5. London DNA FoundryAdvisory Board Member2014 β€” 2018Greater London, England, United Kingdom
  6. AbproCo Founder2008 β€” 2013Lexington, MA, USA
  7. Vertex PharmaceuticalsDirector of Gene Expression1990 β€” 2007Cambridge, MA, USA

Education

  1. University of WarwickPhD, Molecular Biology
  2. University of BirminghamMS, Biotechnology
  3. Bangor UniversityBS, Biochemistry

Skills & more

Mentoring1StartupsClinical DevelopmentProtein ExpressionProtein EngineeringMonoclonal AntibodiesBusiness DevelopmentAutomationDesign of Experiments (DOE)Technological InnovationSynthetic BiologyProject Mangement
+12 moreInvestmentFundraisingInvestmentsBiochemistryBiotechnologyProtein ChemistryMolecular BiologyDrug DiscoveryStart-upsCell CultureLifesciencesCell Biology

From Stephen's professional profile.

Same school

Also attended University of Warwick110

MariaInvestor at InvestinorChen Yang SiaGeneral Counsel at Golden Gate VenturesMichael K CheungInvestment at Makers FundSvetlana BenderVice President, Artificial Intelligence & Behavioral Science at Flare Capital PartnersDr. Mazin AlzaidiGeneral Partner at STVRukmini BahlSenior Advisor at Insitor

+ 104 more

Also attended University of Birmingham77

Hal TilyVenture Partner at Rackhouse Venture Management LpAlexa TanAssociate, ESG & Impact at Openspace VenturesSikander ChahalPrincipal at TRANSCENDSunir KapoorNon-Executive Chairman at Kibo VenturesChloe LeggeInvestor at Extantia CapitalKjersti FrognerInvestor at Almi Invest

+ 71 more

Also attended Bangor University6

Stephen Antwi-AsimengSenior Fund Advisor at Wangara Green VenturesSimon ThorneSenior Talent Manager at SAGANAMary AkpobomeInvestor at Rising Tide Africa (RTA)Erick RinnerPartner at Impact Expansion Management SarlAlistair MarsdenInvestor at BuiltUp VenturesSohail MalikInvestor at Saudi Aramco Energy Ventures

Shared employers

Also worked at Imperial College London75

Madison LenormandInvestor at DaphniAlptugInvestment Team at Hummingbird VenturesItxaso del PalacioGeneral Partner at Notion CapitalMichelle KwokPrincipal at Draper AssociatesAlexandraHead of Research at GVP ClimateStephanie MorrisPrincipal at Artesian

+ 69 more

Also worked at Abpro1

Tony EisenbergPartner at Palo Santo VC

Also worked at Vertex Pharmaceuticals19

Bruce SachsInvestor at CRV (Charles River Ventures)Jesper GromadaInvestor at Third Rock VenturesAlexandra CantleyManaging Partner at Polaris PartnersShwen GweeDigital Pharma Advisor at Excelerate Health VenturesSumia ShaikhHead of Platform at New York Life VenturesMegInvestor at Sanofi Ventures

+ 13 more

Colleagues at SOSV

Alan Clayton
Investor at SOSV
Alex Kopelyan
Partner at SOSV
Alexander Hall-Daniels
Principal at SOSV
Andrew Gollach
Partner at SOSV
Benjamin Joffe
Partner at SOSV
Bill Liao
General Partner at SOSV
Bradford Higgins
Venture Partner at SOSV
Cyril Ebersweiler
General Partner at SOSV

Network2

Andrew D. Ive
Managing Partner at Big Idea Ventures
Drew Volpe
Founding Partner at First Star Ventures

Investors connected to Stephen in public investor directories β€” a warm-intro map.