David Steinberg
InvestorGeneral Partner at Longwood Fund
Massachusetts
Writes $100K – $5M checks · typically $1.5M
About
David Steinberg serves as Chief Business Development Officer at Formation Bio. He has co-founded five companies listed on the NASDAQ and has experience in venture capital, business development, and life science transactions.
Experience
- Formation BioChief Business Officercurrent2024 — presentNew York, New York, United States
- Carbon BiosciencesBoard Member, Founding CEO2022 — 2024Boston, Massachusetts, United States
- Photys TherapeuticsChairman, Founding CEO2021 — 2024Cambridge, Massachusetts, United States
- Rectify PharmaBoard Member2021 — 2024Boston, Massachusetts, United States
- Be BiopharmaChairman, Founding CEO2020 — 2024Cambridge, Massachusetts, United States
- Longwood FundGeneral Partner2019 — 2024Greater Boston Area
- Longwood FundVenture Partner2018 — 2019Greater Boston
- Lassen TherapeuticsBoard Member2020 — 2023
- Pyxis OncologyFounding CEO, former Chairman2019 — 2021Greater Boston
- resTORbioCo-Founder2017 — 2020Greater Boston
- Vor BiopharmaFounding CEO2016 — 2018Boston, Massachusetts
- Vedanta Biosciences, Inc.Founding CEO2011 — 2018Cambridge, MA
- PureTech HealthCo-Founder and Chief Innovation Officer2002 — 2018Greater Boston
- Enlight BiosciencesCEO2007 — 2011
- Boston Consulting GroupConsultant2001 — 2002
- Vertex PartnersConsultant1996 — 1999
- Procter & GambleResearch Associate1994 — 1996Norwich, NY
Skills & more
+10 more
CommercializationMedical DevicesTechnology TransferR&DStrategyDrug DevelopmentProduct DevelopmentManagementMarketingDue DiligenceFrom David's professional profile.
Deals · 1
Pyxis OncologyBoard seat
via Longwood Fund · filed Mar 2021 · $172.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Carbon Biosciences, Inc.
Per SEC Form D filings.
Colleagues at Longwood Fund
Network5
Investors connected to David in public investor directories — a warm-intro map.
Frequently asked questions
- Who is David Steinberg?
- David Steinberg serves as Chief Business Development Officer at Formation Bio. He has co-founded five companies listed on the NASDAQ and has experience in venture capital, business development, and life science transactions.
- Where does David Steinberg work?
- David Steinberg is General Partner at Longwood Fund.
- What check size does David Steinberg write?
- David Steinberg typically writes checks of $100K – $5M.
- What boards does David Steinberg sit on?
- David Steinberg holds tracked board seats at Carbon Biosciences, Inc., Pyxis Oncology.
- Where did David Steinberg go to school?
- David Steinberg studied at The University of Chicago Booth School of Business (MBA, Strategy); Cornell University (BA, Biology).
Founder mafias
Cornell University mafia218
Also came through, then founded or led a company.
+ 211 more
The University of Chicago Booth School of Business mafia53
Also came through, then founded or led a company.
+ 46 more
Longwood Fund mafia4
Also came through, then founded or led a company.
Rectifypharma mafia3
Also came through, then founded or led a company.
Formation Bio mafia2
Also came through, then founded or led a company.
Same school
Also attended The University of Chicago Booth School of Business492
+ 486 more
Also attended Cornell University748
+ 742 more
Shared employers
Also worked at Formation Bio11
+ 5 more
Also worked at Longwood Fund8
+ 2 more























































