Craig Muir
InvestorPartner at Third Rock Ventures
Massachusetts
Writes $100K – $5M checks · typically $1.5M
Find your path to Craig
95 people in our graph share verified history with Craig — schools, employers, funds. One of them is your warm intro.
Lisa PurcellunlockedCraig: together at Third Rock Ventures (2024–2026)
×11Craig: together at Third Rock Ventures
About
Craig Muir led the identification and integration of drug discovery and development technology platforms across Third Rock's portfolio, built platform systems for R&D and informatics, and contributed to scientific diligence. He helped expand the firm's San Francisco presence. He joined in 2007 and holds a B.S. in Physiology and Chemistry from UC Davis.
Invests in
BiotechDeep Tech
Experience
- Dept of Pharmaceutical Chemistry; UC San FranciscoAdjunct Professorcurrent2026 — presentSan Francisco Bay Area
- S32 Labs LLCChief Scientist and Engineercurrent2024 — presentBoston, San Francisco and Boothbay Harbor
- Third Rock VenturesPartner and CTO2007 — 2023Boston and San Francisco
- Codon Devices IncSnr Vice President2006 — 2007Boston
- MILLENNIUM PHARMACEUTICALS, INC.VP Platform Technology1994 — 2006Cambridge, Massachusetts, United States
- Tularik and GenentechResearch Associate1988 — 1993San Francisco
Skills & more
Machine Vision1Assay Development1Biochemistry1Venture Capital1Start-ups1Biotechnology3Commercialization2LifesciencesDue Diligence1Pharmaceutical Industry1Drug Discovery1Biopharmaceuticals1
+8 more
Technology TransferMedical DevicesDrug DevelopmentClinical DevelopmentEntrepreneurshipOncologyR&DMolecular BiologyFrom Craig's professional profile.
Investments
Board seats
Decibel Therapeutics
Per SEC Form D filings.
Colleagues at Third Rock Ventures
Abbie Celniker
Investor at Third Rock Ventures
Adam Tebbe
Investor at Third Rock Ventures
Alan Ezekowitz
Investor at Third Rock Ventures
Alexis Borisy
General Partner at Third Rock Ventures
Alison Connors
Investor at Third Rock Ventures
Amanda Chan
Investor at Third Rock Ventures
Andrea van Elsas
Investor at Third Rock Ventures
Angelo Severino
Investor at Third Rock Ventures
Network5
Abbie Celniker
Investor at Third Rock Ventures
Alan Ezekowitz
Investor at Third Rock Ventures
Andrea van Elsas
Investor at Third Rock Ventures
Andrew Warren
Senior Associate at Third Rock Ventures
Barbara Weber
Venture Partner at Third Rock Ventures
Investors connected to Craig in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Craig Muir?
- Craig Muir led the identification and integration of drug discovery and development technology platforms across Third Rock's portfolio, built platform systems for R&D and informatics, and contributed to scientific diligence. He helped expand the firm's San Francisco presence. He joined in 2007 and holds a B.S. in Physiology and Chemistry from UC Davis.
- Where does Craig Muir work?
- Craig Muir is Partner at Third Rock Ventures.
- What does Craig Muir invest in?
- Craig Muir invests in Biotech, Deep Tech.
- What check size does Craig Muir write?
- Craig Muir typically writes checks of $100K – $5M.
- What boards does Craig Muir sit on?
- Craig Muir holds tracked board seats at Decibel Therapeutics.
- Where did Craig Muir go to school?
- Craig Muir studied at UC-Davis (Bachelor of Science (BS), Physiology and Chemistry).
Same school
Also attended UC-Davis267
Charles CallSLP & Venture Partner at Cottonwood Technology FundDavid PhuController at Felicis VenturesTeresa ChanChief Financial Officer at Felicis VenturesBryan EglanDirector of Business Development at Menlo VenturesDennisDirector of Trading at Pantera CapitalScott MaxwellInvestor at OpenView Venture Partners
+ 261 more
Shared employers
Also worked at Third Rock Ventures88
Lisa PurcellInvestor at Third Rock VenturesPaul MeloneInvestor at Third Rock VenturesLee VeneziaInvestor at Third Rock VenturesKevin MunnellyInvestor at Third Rock VenturesAmanda ChanInvestor at Third Rock VenturesJigar RaythathaInvestor at Third Rock Ventures
+ 82 more
