Jason P. Hafler
InvestorManaging Director at Sanofi Ventures
Cambridge, Massachusetts
Writes $5M – $10M checks · typically $7.5M
Find your path to Jason
Sign up to see every warm intro you have to Jason
- Paths you didn't know you had: your email and LinkedIn already hold routes to Jason. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
About
Jason P. Hafler combines venture investing and biotech operating experience—ex-Translate Bio corporate development director and Atlas investor—and leads strategy and is public voice for a corporate VC's early-stage biotech focus.
Contact· self-published, not guessed
Invests in
AI & Machine LearningBiotechData & InfrastructureHealthtechMedical Devices
Deals · 2
AbcuroBoard seat
via Sanofi Ventures · filed Jan 2021 · $42M raise
Expansion TherapeuticsBoard seat
via Sanofi Ventures · filed Jun 2017 · $5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Sources: SEC Form D filings · curated public sources.
Colleagues at Sanofi Ventures
Network4
Investors connected to Jason in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Jason P. Hafler?
- Jason P. Hafler combines venture investing and biotech operating experience—ex-Translate Bio corporate development director and Atlas investor—and leads strategy and is public voice for a corporate VC's early-stage biotech focus.
- Where does Jason P. Hafler work?
- Jason P. Hafler is Managing Director at Sanofi Ventures.
- What does Jason P. Hafler invest in?
- Jason P. Hafler invests in AI & Machine Learning, Biotech, Data & Infrastructure, Healthtech, Medical Devices.
- What check size does Jason P. Hafler write?
- Jason P. Hafler typically writes checks of $5M – $10M.
- What boards does Jason P. Hafler sit on?
- Jason P. Hafler holds tracked board seats at Abcuro, Escient Pharmaceuticals, Expansion Therapeutics, Matchpoint Therapeutics, Star Therapeutics.
- What companies has Jason P. Hafler invested in?
- Investments tracked here include Abcuro, Atalanta, Character Bio, Escient Pharmaceuticals, Matchpoint Therapeutics, Neurovia, Star Therapeutics.
About this profile. Compiled from public sources — Sanofi Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights







