Robert Weisskoff
InvestorPartner at F-Prime Capital Partners
Massachusetts
Writes $100K – $10M checks · typically $5M
FoundedAffinia TherapeuticsAmphora MedicalCaribou BiosciencesShouTi Inc.ViewrayXilio Therapeutics
Experience
- F-Prime CapitalPartnercurrent2004 — present
- EPIX PharmaceuticalsVP Business Development1998 — 2004
- Massachusetts General HospitalDirector, MR Imaging Core1990 — 1998
- Harvard Medical SchoolAssociate Professor of Radiology1990 — 1998
- Advanced NMR SystemsSr. Physicist1988 — 1990
Education
- Columbia Business SchoolMBA1999 — 2000
- Massachusetts Institute of TechnologyPhD, Physics1983 — 1988
- Harvard UniversityAB, Physics1979 — 1983
Same school
Also attended Columbia Business School577
+ 571 more
Also attended Massachusetts Institute of Technology977
+ 971 more
Also attended Harvard University1,231
+ 1,225 more
Shared employers
Also worked at Massachusetts General Hospital46
+ 40 more
Also worked at Harvard Medical School124
+ 118 more
Deals · 9
Affinia TherapeuticsBoard seat
via F-Prime Capital Partners · filed Oct 2025 · $45M raise
ZenflowBoard seat
via F-Prime Capital Partners · filed Nov 2024 · $25.2M raise
RarecyteBoard seat
via F-Prime Capital Partners · filed Jul 2023 · $35.7M raise
ShouTi Inc.Board seat
via F-Prime Capital Partners · filed Jan 2022 · $7M raise
Caribou BiosciencesBoard seat
via F-Prime Capital Partners · filed Mar 2021 · $115M raise
Xilio TherapeuticsBoard seat
via F-Prime Capital Partners · filed Jan 2021 · $50.2M raise
Checkmate PharmaceuticalsBoard seat
via F-Prime Capital Partners · filed Jan 2020 · $16M raise
Amphora MedicalBoard seat
via F-Prime Capital Partners · filed Jul 2015 · $12.8M raise
ViewrayBoard seat
via F-Prime Capital Partners · filed Jan 2015 · $16.8M raise
Attribution from SEC filings, press coverage, and firm rosters.































