Heidi Roizen
InvestorFounderPartner at Threshold Ventures · Board director at Zoox · Board director at ShareThis
San Francisco Bay Area
Writes $2M – $10M checks · typically $7M
About
Heidi Roizen is a partner at Threshold Ventures and serves as a corporate director for multiple companies including Upside Foods, M7, EdgeQ, Elementary Robotics, Freeform, Moonlake AI, OpsLevel, and Tia. She began her career as co-founder and CEO of software company T/Maker before its acquisition by Deluxe Corporation, followed by a role as VP of Worldwide Developer Relations at Apple, and has worked as a venture capitalist since 1999. Roizen holds undergraduate and MBA degrees from Stanford, where she has lectured since 2011 and serves on the Advisory Council for the Stanford Institute for Human-Centered Artificial Intelligence.
Board director at Zoox
Intro paths
In turn, Heidi can intro founders to Zoox's investors below.
Zoox's investors · 10
Co-founders at Zoox
Board director at ShareThis
Intro paths
In turn, Heidi can intro founders to ShareThis's investors below.
ShareThis's investors · 8
Co-founders at ShareThis
Experience
- Threshold VenturesPartnercurrent2014 — presentSan Francisco Bay Area
- Stanford UniversityLecturer, Stanford Threshold Venture Fellows programcurrent2011 — presentStanford
- Stanford Institute for Human-Centered Artificial Intelligence (HAI)Advisory Council Membercurrent2019 — presentPalo Alto, CA
- UPSIDE FoodsBoard Membercurrent2018 — presentSan Francisco Bay Area
- TiaBoard Membercurrent2024 — present
- M7 HealthBoard Membercurrent2026 — present
- Moonlake AIBoard Membercurrent2026 — present
- EdgeQ Inc.Board Membercurrent2026 — present
- FreeformBoard Membercurrent2026 — present
- Elementary RoboticsBoard Membercurrent2026 — present
- OpsLevelBoard Membercurrent2026 — present
- PlanetBoard Member2018 — 2025San Francisco Bay Area
- Invitation HomesBoard Member2020 — 2023Dallas, Texas, United States
- Daily Mail and General Trust plcBoard Member2012 — 2022London, United Kingdom
- Zoox Inc.Board Member2016 — 2020Menlo Park, CA
- DFJPartner2012 — 2018
- TiVoBoard Member2009 — 2014
- Mobius Venture CapitalManaging Director1999 — 2007
- National Venture Capital Asssociationmember of executive committee and board2003 — 2007
- AppleVice President World-World Wide Developer Relations1996 — 1997
Education
- Stanford University Graduate School of BusinessMBA1981 — 1983
- Stanford UniversityAB, English1976 — 1980
Skills & more
+12 more
Social MediaBusiness StrategyMarketing StrategyStart-upsNew Business DevelopmentPublic RelationsProduct ManagementProduct MarketingStrategic PartnershipsCorporate DevelopmentProduct DevelopmentSaaSFrom Heidi's professional profile.
Deals · 3
Memphis MeatsBoard seat
via Threshold Ventures · filed Jan 2020 · $21.9M raise
ZooxBoard seat
via Threshold Ventures · filed Oct 2016 · $50M raise
ShareThisBoard seat
via Threshold Ventures · filed Oct 2015 · $1.7M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Threshold Ventures
Network4
Investors connected to Heidi in public investor directories — a warm-intro map.
Frequently asked questions
- Where does Heidi Roizen work?
- Heidi Roizen is Partner at Threshold Ventures and Founder at Zoox and Founder at ShareThis.
- What check size does Heidi Roizen write?
- Heidi Roizen typically writes checks of $2M – $10M.
- What companies did Heidi Roizen found?
- Heidi Roizen founded ShareThis, Zoox.
Same school
Also attended Stanford University Graduate School of Business1,291
+ 1,285 more
Also attended Stanford University2,000
+ 1,994 more
