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Siobhan Nolan Mangini

Investor

Partner at Venrock

Palo Alto

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About

Siobhan Nolan Mangini is a Partner at Venrock who invests in early-stage healthcare and technology companies. She supports portfolio companies through strategic guidance, financing strategies, business development, and operational support.

Contact· self-published, not guessed

Experience

  1. VenrockPartnercurrent2025 — present
  2. Cityblock HealthMember Board of Directorscurrent2024 — present
  3. Alight SolutionsMember Board of Directorscurrent2024 — present
  4. Virta HealthMember Board of Directorscurrent2023 — present
  5. SmithRxMember Board of Directorscurrent2023 — present
  6. Marathon HealthMember Board of Directors2021 — 2026
  7. Delflorien LabsFounder2024 — 2025
  8. January VenturesOperator Network2018 — 2025
  9. NGM BiopharmaceuticalsPresident & Chief Financial Officer2022 — 2023
  10. NGM BiopharmaceuticalsChief Financial Officer2020 — 2022
  11. Artemis HealthMember Board of Directors2020 — 2022
  12. Castlight HealthAdvisor2020
  13. Castlight HealthPresident & CFO2019 — 2020
  14. Castlight HealthChief Financial Officer2016 — 2019
  15. Castlight HealthVice President, Finance & Business Operations2015 — 2016San Francisco
  16. Castlight HealthSenior Director, Operations and Financial Planning2014 — 2015
  17. Castlight HealthDirector, Strategy & Business Development2012 — 2014
  18. Bain & CompanyCase Team Leader2009 — 2012
  19. Acumen FundPortfolio Intern2009
  20. Bain & CompanySummer Associate2008
  21. FabIndiaStrategy Intern2007
  22. The Henry J. Kaiser Family FoundationFinancial Associate2003 — 2006

Skills & more

Strategy32Cross-functional Team Leadership13

From Siobhan's professional profile.

Deals · 1

Smith HealthBoard seat

via Venrock · filed Feb 2024 · $60M raise

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

Other disclosed investments

Sources: SEC Form D filings · curated public sources.

Colleagues at Venrock

Abe Valdez
IT Manager at Venrock
Alex Rosen
Partner at Venrock
Andrew Gottesdiener
VHCP at Venrock
Andy Wardle
VHCP at Venrock
Bailie Salk
Investor at Venrock
Bambie Guzman
Office Manager & Executive Assistant at Venrock
Bob Kocher
Co-Founder of Lyra Health; Partner at Venrock
Bong Koh
VHCP at Venrock

Frequently asked questions

Who is Siobhan Nolan Mangini?
Siobhan Nolan Mangini is a Partner at Venrock who invests in early-stage healthcare and technology companies. She supports portfolio companies through strategic guidance, financing strategies, business development, and operational support.
Where does Siobhan Nolan Mangini work?
Siobhan Nolan Mangini is Partner at Venrock.
What boards does Siobhan Nolan Mangini sit on?
Siobhan Nolan Mangini holds tracked board seats at Smith Health.
What companies has Siobhan Nolan Mangini invested in?
Investments tracked here include Aligned Marketplace, City Block, Marathon Health, Smithrx, Virta Health.
Where did Siobhan Nolan Mangini go to school?
Siobhan Nolan Mangini studied at Stanford University Graduate School of Business (MBA); Harvard Kennedy School (MPA); The Wharton School (BS Econ, Finance, Decision Processes).

Same school

Shared employers