Tess van Stekelenburg
InvestorFounderPartner at Lux Capital · Board director at Valthos
San Francisco, California
Writes $1M – $50M checks · typically $10M
About
A member of the Lux Capital team focused on biotechnology and AI.
Invests in
AI & Machine LearningBiotechDeep TechDefense Tech
Board director at Valthos
Intro paths
→
In turn, Tess can intro founders to Valthos's investors below.
Experience
- ValthosCo-Founder & Presidentcurrent2025 — present
- Lux CapitalPartnercurrent2023 — present
- Hummingbird VenturesInvestment Team2020 — 2022
- University of OxfordComputational Neuroscience Research2019 — 2020
- UCLResearch Engineer, Gatsby Computational Neuroscience Unit2016 — 2018
Education
- University of OxfordMasters Degree, Computational Neuroscience
Skills & more
Artificial Intelligence (AI)Cutting lemons3
From Tess's professional profile.
Investments
Board seats
Investor
AndurilApplied IntuitionCambridge AerospaceCognition AIDatabricksHugging FaceImpulse SpacePhysical IntelligenceRunwaySakanaTogether AIValthos
Sources: SEC Form D filings · the firm's website.
Colleagues at Lux Capital
Adam Goulburn
Investor at Lux Capital
Adam Kalish
Partner, Capital Formation at Lux Capital
Ale Salardi
Executive Assistant at Lux Capital
Alex Nguyen
Partner at Lux Capital
Andrew Wilson
Partner, Legal at Lux Capital
Bibi Masara
Office Manager at Lux Capital
Bilal Zuberi
Founder and Managing Partner at Red Glass Ventures
Brad Gritsch
Finance at Lux Capital
Network10
Brandon ReevesScout
Partner at Lux Capital
Danny CrichtonScout
Partner, Research at Lux Capital, publishing the Securities newsletter and Riskgaming
Deena ShakirScout
Partner at Lux Capital
Josh WolfeScout
Partner and Co-Founder at Lux Capital
Shahin FarshchiScout
Partner at Lux Capital
Alex Nguyen
Partner at Lux Capital
Bilal Zuberi
Founder and Managing Partner at Red Glass Ventures
David Yang
Partner at Lux Capital
Grace Isford
Partner at Lux Capital
Ian Peikon
Venture Partner at Lux Capital
Investors connected to Tess in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Tess van Stekelenburg?
- A member of the Lux Capital team focused on biotechnology and AI.
- Where does Tess van Stekelenburg work?
- Tess van Stekelenburg is Partner at Lux Capital and Board director at Valthos.
- What does Tess van Stekelenburg invest in?
- Tess van Stekelenburg invests in AI & Machine Learning, Biotech, Deep Tech, Defense Tech.
- What check size does Tess van Stekelenburg write?
- Tess van Stekelenburg typically writes checks of $1M – $50M.
- What boards does Tess van Stekelenburg sit on?
- Tess van Stekelenburg holds tracked board seats at Valthos.
- What companies has Tess van Stekelenburg invested in?
- Investments tracked here include Anduril, Applied Intuition, Cambridge Aerospace, Cognition AI, Databricks, Hugging Face, Impulse Space, Physical Intelligence, Runway, Sakana, Together AI, Valthos.
- Where did Tess van Stekelenburg go to school?
- Tess van Stekelenburg studied at University of Oxford (Masters Degree, Computational Neuroscience).
Founder mafias
University of Oxford mafia290
Also came through, then founded or led a company.
Reid HoffmanM.St.Founded LinkedIn +2Gabriel PereyraDropped outFounded HarveyBrent HobermanMaster of Arts - MAFounded Founders Pledge +3William GuttmanM.PhilFounded CurvePoint +3Kevin HartzMstFounded Eventbrite +2Max AhrensDoctor of Philosophy - PhDFounded Maihem +2
+ 283 more
Lux Capital mafia8
Also came through, then founded or led a company.
Ian PeikonVenture PartnerFounded Cajal Therapeutics +1Josh WolfePartner and Co-FounderFounded Genocea BiosciencesDavid YangPartnerFounded Latus BioMichelle FangResidentFounded CerebrasRobert PaullCo-Founder and Venture PartnerFounded Genocea BiosciencesAdam GoulburnAssociateFounded Kallyope
+ 1 more
Hummingbird Ventures mafia3
Also came through, then founded or led a company.
Same school
Also attended University of Oxford955
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBrad GerstnerFounder & CEO of Altimeter CapitalGabriel PereyraCo-founder & President of HarveyDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index Ventures
+ 949 more
Shared employers
Also worked at Hummingbird Ventures41
Carolina MonckInvestor, PhD at Episode1FiratManaging Partner at Hummingbird VenturesMarioPartner at Hummingbird VenturesLukasPartner at Hummingbird VenturesKobeFinance Director at Hummingbird VenturesLucas De FourLegal Manager at Hummingbird Ventures
.avif)
+ 35 more
Also worked at University of Oxford115
Gordon RausserAdvisory Board Member at Rembrandt Venture PartnersFrancesco MonacaInvestor at Giant Ventures Global LlpDenise XifaraInvestor at Mercuri.vcLirui DingPrincipal at TRANSCENDAna FernandezInvestment Associate at Nauta CapitalVictoria FähInvestment Manager, Future Content Fund at IPR.VC
+ 109 more
Also worked at UCL76
Demis HassabisCo-founder & CEO of Google DeepMindItxaso del PalacioGeneral Partner at Notion CapitalFrancesco MonacaInvestor at Giant Ventures Global LlpDima KuzminManaging Partner at 4BIO CapitalTherese LiechtensteinPartner at 4BIO CapitalAlexander Sinclair-Wilson执行董事 at Qiming Venture Partners
+ 70 more