Joseph Siletto
InvestorManaging Partner at Vivo Capital
Massachusetts
Writes $10M – $50M checks · typically $25M
Experience
- Turbett SurgicalChairman of the Boardcurrent2026 — present
- ABK Biomedical Inc.Board Membercurrent2025 — presentHalifax, Nova Scotia, Canada
- Pathalys PharmaBoard Membercurrent2024 — present
- J.P. MorganManaging Partnercurrent2024 — presentBoston, Massachusetts, United States
- Scientia Vascular, LLCBoard Member2021 — 2025
- Vivo CapitalManaging Director2017 — 2024Needham, Massachusetts, United States
- HistoWizBoard Member2021 — 2024
- HistoWizInterim Chief Executive Officer2022Queens, New York, United States
- Neocis Inc.Board Observer2021 — 2024
- Serán Bioscience, LLCBoard Member2021 — 2024
- Polygon Medical Inc.Co-Founder/Angel Investor2015 — 2024Massachusetts
- InBraceBoard Member2021 — 2024
- Sera PrognosticsBoard Member2021
- Preventice SolutionsBoard Member2020 — 2021
- Surgical Specialties CorporationChief Business Officer, Interim CEO, Board Observer2017 — 2021Westwood, MA
- Scion MedicalCo-Founder, CEO of North America and Europe2011 — 2015Newton, MA
- Cowen and CompanyDirector2007 — 2009
- SVB AlliantCo-Head Life Sciences2003 — 2007
- Banc of America SecuritiesVice President1998 — 2003
- Xin De Telecom (Beijing PRC)Manager1995 — 1997
Education
- Duke UniversityBA1987 — 1991
- University of California, Berkeley, Haas School of BusinessMBA1996 — 1998
- Beijing Language InstituteMandarin1995 — 1996
Skills & more
From Joseph's professional profile.
Deals · 5
Abk Biomedical IncBoard seat
via Vivo Capital · filed Nov 2025 · $2.6M raise
Scientia VascularBoard seat
via Vivo Capital · filed Nov 2023 · $5M raise
Swift Health Systems Inc.Board seat
via Vivo Capital · filed Sep 2021 · $112M raise
Sera PrognosticsBoard seat
via Vivo Capital · filed May 2021 · $100.3M raise
Preventice Solutions, Inc.Board seat
via Vivo Capital · filed Jul 2020 · $45M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Vivo Capital
Frequently asked questions
- Where does Joseph Siletto work?
- Joseph Siletto is Managing Partner at Vivo Capital.
- What check size does Joseph Siletto write?
- Joseph Siletto typically writes checks of $10M – $50M.
- What companies did Joseph Siletto found?
- Joseph Siletto founded Abk Biomedical Inc, Sera Prognostics.
Founder mafias
Y Combinator mafia8,730
Also came through, then founded or led a company.
+ 8,723 more
Duke University mafia124
Also came through, then founded or led a company.
+ 117 more
University of California, Berkeley, Haas School of Business mafia110
Also came through, then founded or led a company.
+ 103 more
Same school
Also attended Duke University499
+ 493 more
Also attended University of California, Berkeley, Haas School of Business581
+ 575 more
Shared employers
Also worked at InBrace1
Also worked at SVB Alliant3
Also worked at Banc of America Securities243
+ 237 more








































