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Greg Yap

Investor

Partner at Menlo Ventures · Board director at Cartwheel · Board director at Koala Health · Board director at H1 Insights

Bay Area

Writes $250K – $15M checks · typically $12M

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Ask Helen Siaw to introduce you to Greg

You →Helen · together at Epiodyne (2023–2024) →Greg

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You →Jamie · 2 people · together at Ophelia →Greg

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You →Sam · together at Cartwheel →Greg

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About

Partner at Menlo Ventures since 2017 investing in life science and healthcare, including therapeutic platforms, digital health, and transformative technologies. Previously an entrepreneur-in-residence at Illumina Ventures and GE, and a two-time startup CEO/co-founder (BlueLight Therapeutics and PyrAmes) with two decades of life-science operating experience at Roche/Ventana, Cellpoint, and Affymetrix.

Likely email· guessed from name + firm domain, not firm-published

Invests in

AI & Machine LearningBiotechCybersecurityDigital HealthFintechHealthtechMedical Devices

Board director at Cartwheel

Intro paths

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In turn, Greg can intro founders to Cartwheel's investors below.

Cartwheel's investors · 18

Able PartnersNew York · $500K – $3M checks · since 2023AccelPalo Alto · $1.6M – $70M checks · since 2025Act One VenturesLos Angeles · $1M – $3M checks · since 2022Alumni VenturesManchester · $100K – $10M checksBoxGroupNew York · $250K – $1M checks · since 2023Chingona VenturesChicago · $250K – $2M checks · since 2022Craft VenturesSan Francisco · $50K – $50M checks · since 2025General CatalystSan Francisco · $30M checks · since 2023Human VenturesNew York · $250K – $500K checks · since 2025Khosla VenturesMenlo Park · $5K – $50M checks · since 2025Menlo VenturesSan Francisco · $1M – $20M checks · since 2023Moonshots CapitalAustin · $5K – $2.5M checks · since 2022Reach CapitalSan Francisco · $100K – $12M checks · since 2023RunwayNew York City · since 2025TenOneTen VenturesLos Angeles · $500K – $5M checks · since 2022TIRTA VenturesNew York · since 2025WndrCoRedwood City · $100K – $10M checks · since 2025Workshop Venture PartnersSan Francisco · $3M checks · since 2025

Co-founders at Cartwheel

JEJoe English
Joe EnglishCo-Founder and CEO

Board director at Koala Health

Intro paths

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In turn, Greg can intro founders to Koala Health's investors below.

Koala Health's investors · 6

Alumni VenturesManchester · $100K – $10M checksBoxGroupNew York · $250K – $1M checksDCM VenturesMenlo Park · $250K – $15M checks · since 2022First Round CapitalSan Francisco · $100K – $20M checksMenlo VenturesSan Francisco · $1M – $20M checks · since 2022Valspring CapitalBoston · since 2022

Co-founders at Koala Health

GC
Gavin CotterExecutive Officer, Director

Board director at H1 Insights

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In turn, Greg can intro founders to H1 Insights's investors below.

H1 Insights's investors · 2

IVP (Institutional Venture Partners)San Francisco · $15M – $75M checks · since 2020Menlo VenturesSan Francisco · $1M – $20M checks · since 2020

Co-founders at H1 Insights

AKAriel Katz
Ariel KatzExecutive Officer, Director
IS
Ian SaxExecutive Officer, Director

Experience

  1. Menlo VenturesPartnercurrent2017 — presentSan Francisco Bay Area
  2. The Aspen InstituteHealth Innovators Fellowcurrent2019 — present
  3. Aurora TherapeuticsBoard Member & Investorcurrent2025 — present
  4. Chai DiscoveryBoard Member & Investorcurrent2025 — present
  5. Colla HealthBoard Member & Investorcurrent2024 — present
  6. Xaira TherapeuticsInvestorcurrent2024 — present
  7. CartwheelBoard Member & Investorcurrent2023 — present
  8. VilyaBoard Observer & Investorcurrent2023 — present
  9. Koala HealthBoard Member & Investorcurrent2022 — present
  10. OpheliaBoard Member & Investorcurrent2021 — present
  11. Scribe TherapeuticsInvestorcurrent2021 — present
  12. Genesis TherapeuticsBoard Observer & Investorcurrent2020 — present
  13. H1Board Member & Investorcurrent2020 — present
  14. Particle HealthBoard Member & Investorcurrent2020 — present
  15. Delfi DiagnosticsBoard Member & Investorcurrent2019 — present
  16. Riva HealthBoard Member & Investorcurrent2019 — present
  17. Encoded Therapeutics Inc.Investorcurrent2019 — present
  18. BenchlingInvestorcurrent2019 — present
  19. Clear LabsBoard Member & Investorcurrent2019 — present
  20. EpiodyneBoard Member & Investorcurrent2018 — present

Skills & more

Assay Development23DNA17Molecular Diagnostics40Biotechnology53Lifesciences20Genomics71Commercialization70Oncology20Medical Devices30Molecular Biology20Strategy24Medical Diagnostics4
+8 moreHardware DiagnosticsProduct DevelopmentImmunologyCross-functional Team LeadershipPersonalized MedicineGlobal MarketingBusiness DevelopmentProduct Management

From Greg's professional profile.

Deals · 5

Delfi DiagnosticsBoard seat

via Menlo Ventures · filed Dec 2025 · $60M raise

Koala HealthBoard seat

via Menlo Ventures · filed Dec 2022 · $20M raise

Vital LabsBoard seat

via Menlo Ventures · filed Sep 2022 · $8M raise

OpheliaBoard seat

via Menlo Ventures · filed Apr 2021 · $15M raise

H1 InsightsBoard seat

via Menlo Ventures · filed Dec 2020 · $58M raise

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

Other disclosed investments

Led

CartwheelClear LabsCurieDelfiEncodedEpiodyneGenesisH1KoalaParticlePliant (PLRX)RivaScribeVilyaXaira

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

Colleagues at Menlo Ventures

Alex Kurland
Investor at Menlo Ventures
Amy Wu Martin
Partner at Menlo Ventures
Arvind Purushotham
Head of Citi Ventures at Citi Ventures
Aunkur Arya
Venture Partner at Menlo Ventures
Brent Fellows
Vice President, Finance and Tax at Menlo Ventures
Bryan Eglan
Director of Business Development at Menlo Ventures
C.C. Gong
Principal at Menlo Ventures
Claire Palmer
Director of Investor Relations at Menlo Ventures

Network4

Abhi Srinivas
Investor at Coatue Management
Anna Fang
Founding Partner at ZhenFund
Avery More
Venture Partner at Menlo Ventures
Derek Xiao
Investor at Menlo Ventures

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

Frequently asked questions

Who is Greg Yap?
Partner at Menlo Ventures since 2017 investing in life science and healthcare, including therapeutic platforms, digital health, and transformative technologies. Previously an entrepreneur-in-residence at Illumina Ventures and GE, and a two-time startup CEO/co-founder (BlueLight Therapeutics and PyrAmes) with two decades of life-science operating experience at Roche/Ventana, Cellpoint, and Affymetrix.
Where does Greg Yap work?
Greg Yap is Partner at Menlo Ventures and Board director at Cartwheel and Board director at Koala Health and Board director at H1 Insights.
What does Greg Yap invest in?
Greg Yap invests in AI & Machine Learning, Biotech, Cybersecurity, Digital Health, Fintech, Healthtech, Medical Devices.
What check size does Greg Yap write?
Greg Yap typically writes checks of $250K – $15M.
What boards does Greg Yap sit on?
Greg Yap holds tracked board seats at Cartwheel, Clear Labs, Delfi Diagnostics, H1 Insights, Koala Health, Ophelia, Particle Health, Vital Labs.
What companies has Greg Yap invested in?
Investments tracked here include Cartwheel, Clear Labs, Curie, Delfi, Encoded, Epiodyne, Genesis, H1, Koala, Ophelia, Particle, Pliant (PLRX), and 27 more.
Where did Greg Yap go to school?
Greg Yap studied at Stanford University (MBA); Princeton University (AB, Molecular Biology).
Does Greg Yap lead rounds?
Yes — Greg Yap has led 16 tracked investments.

Same school

Shared employers