Mason Freeman
InvestorInvestor at Unknown Ventures
Boston, Massachusetts
Writes $100K – $5M checks · typically $1.5M
Find your path to Mason
289 people in our graph can introduce you to Mason.
Each arrow is one introduction. Sign up to fill in the first one.
Ask Jacob Hooker to introduce you to Mason
You →Jacob · together at Massachusetts General Hospital (2009–2026) →Mason
Ask Jamie Chen to introduce you to Mason
You →Jamie · 11 people · together at Massachusetts General Hospital →Mason
Sign up to find every way you can get introduced to Mason
- Your email: the people you already email who know Mason
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with Mason
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
Experience
- Harvard Medical SchoolProfessor of Medicine
- Massachusetts General HospitalPhysiciancurrent1979 — present
- NovartisVice President, Translational Medicine2005 — 2007
Colleagues at Unknown Ventures
Adriaan Mol
Investor at Unknown Ventures
Alejandro León
Investor at Unknown Ventures
Alex Burciu
Investor at Unknown Ventures
Alexander Jethwa
Investor at Unknown Ventures
Aman Singh
Investor at Unknown Ventures
Andy Bursten
President at Unknown Ventures
Angela Chong
Investor at Unknown Ventures
Angela Dorothy Amanse
Investor at Unknown Ventures
Frequently asked questions
- Who is Mason Freeman?
- Investor at Unknown Ventures
- Where does Mason Freeman work?
- Mason Freeman is at Unknown Ventures.
- What check size does Mason Freeman write?
- Mason Freeman typically writes checks of $100K – $5M.
- Where did Mason Freeman go to school?
- Mason Freeman studied at Harvard University (A.B., History & Literature); University of California, San Francisco - School of Medicine (M.D., Medicine).
Same school
Also attended Harvard University2,000
Josh KushnerFounder & CEO of Thrive CapitalRon ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index Ventures
+ 1,994 more
Also attended University of California, San Francisco - School of Medicine28
Tracy GeorgeInvestor at EPIC VENTURESDoug RossInvestor at DigitalDx VenturesPhil SangerManaging Partner at TEXO VenturesJohn HalamkaAdvisor, MD, MS at DigiTx Partners LLCSteven Packer, M.D.Executive Venture Partner at Caduceus Capital PartnersMalek FahamChief Scientist at Illumina Ventures
+ 22 more
Shared employers
Also worked at Harvard Medical School360
Logan HilleLife Sciences Analyst at CincyTechAnkit GuptaGeneral Partner at Y CombinatorDavid MollerInvestor at Third Rock VenturesSamuel ArbesmanVenture Partner at Lux CapitalZach CollinsPartner at Mission BiocapitalAlexi Nazem, MDGeneral Partner at AlleyCorp
+ 354 more
Also worked at Massachusetts General Hospital149
Ben RobbinsInvestor at GV (Google Ventures)Erin MooreInvestor at Third Rock VenturesJeb KeiperInvestor at Third Rock VenturesJefte DrijversInvestor at Third Rock VenturesDan GebremedhinPartner at Flare Capital PartnersRochelle WalenskyExecutive Partner at Flare Capital Partners
+ 143 more
Also worked at Novartis352
Rebecca JamesInvestor at Index VenturesScott BillerInvestor at GV (Google Ventures)Freya Svedberg-KeatingInvestor at MedicxiAndrea AmadorCompliance Manager at Inveready Technology Investment GroupAbbie CelnikerInvestor at Third Rock VenturesJesper GromadaInvestor at Third Rock Ventures
+ 346 more

































