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Sienna Leis

Investor

Venture Development Manager at MassVentures

Beverly, Massachusetts, United States

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About

Sienna Leis is Executive Director of Founders School at MassVentures, where she leads new venture development and deep tech investment across Massachusetts. She holds a degree from Harvard Kennedy School and has background in ed-tech startup implementations and crisis management. Leis founded Founders School in 2024 as a pre-accelerator program focused on preparing early-stage deep tech founders, particularly those in climate, health, infrastructure, and energy sectors, with emphasis on traditionally underfunded founders.

Experience

  1. MassVenturesExecutive Director, Founders School (Head of New Venture Development - MV)current2022 — presentBoston, MA
  2. Institute for Technology & Global HealthSenior Advisor - Institute for Technology and Global Health (now The Public Innovation Institute)current2021 — presentCambridge, MA
  3. The Kannico AgencyGlobal Strategic Advisor2020 — 2022Nassau
  4. PathCheck FoundationHead of Global Outreach & Implementation, Founding Leadership Team (MIT Media Lab Spinout)2020 — 2021Cambridge, MA
  5. Harvard UniversityDirector (Alumni Affairs & Development)2016 — 2020Cambridge, MA
  6. Talent Inc.Senior Coach & Branding Specialist2012 — 2016United States & Spain
  7. Carpe Diem ComunicaciónDirector of Strategic Initiatives2010 — 2016US, Latin America & Spain
  8. Carris HotelesHead of Digital Strategy (Contract)2013 — 2014Northern Spain & Portugal
  9. Solho GroupPrincipal2005 — 2010Miami Beach, Florida, United States
  10. LeapFrogNational Manager, Strategic Accounts2004Emeryville, California, United States
  11. The Princeton ReviewDirector, Strategic Partnerships2002 — 2004New York, New York
  12. CompassLearning, A Division of the Weekly Reader CorporationProfessional Development & Sales Consultant - Northeast Region2001 — 2002Boston, Massachusetts
  13. Kaplan Test PrepEastern Region Implementation Specialist (Achieva.com)2000 — 2001San Francisco Bay Area

Skills & more

CreativityMarketing60Business Strategy34Business Development29Marketing Strategy27Alumni Relations1Corporate Communications23Event Planning8Social Media17Business Planning14Public Relations17Online Marketing10
+12 moreNonprofitsAdvertisingNew Business DevelopmentCopywritingSalesProposal WritingStart-upsCreative DirectionFundraisingStrategyManagementLeadership

Languages English · Spanish

  • AI for Research and Insights — Google
  • AI for Brainstorming and Planning — Google
  • AI Fundamentals — Google

From Sienna's professional profile.

Colleagues at MassVentures

Charlie Hipwood
President and CEO at MassVentures
Eric Paley
Entrepreneur and Seed Investor in Cambridge, MA
Matt Snow
Manager Investments at MassVentures
Myron Kassaraba
Vice President, Investments at MassVentures
Priya Yadav
Vice President, Investments at MassVentures
Russ Wilcox
CEO, Trellis Air & Venture Partner at Pillar VC
Stacy Swider
Vice President, Investments at MassVentures
Vinit Nijhawan
Managing Director at MassVentures

Frequently asked questions

Who is Sienna Leis?
Sienna Leis is Executive Director of Founders School at MassVentures, where she leads new venture development and deep tech investment across Massachusetts. She holds a degree from Harvard Kennedy School and has background in ed-tech startup implementations and crisis management. Leis founded Founders School in 2024 as a pre-accelerator program focused on preparing early-stage deep tech founders, particularly those in climate, health, infrastructure, and energy sectors, with emphasis on traditionally underfunded founders.
Where does Sienna Leis work?
Sienna Leis is Venture Development Manager at MassVentures.
Where did Sienna Leis go to school?
Sienna Leis studied at Harvard Kennedy School (Master of Public Administration - MPA, Crisis Management); Harvard University (2000, Government); Miami Beach Citizen's Police Academy.

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