Peter Barrett
InvestorFounderPartner at Atlas Venture · Co-founder & Board Member at Obsidiantx · Board director at Synlogic · Board director at Mnemosyne Pharmaceuticals
Massachusetts
Writes $500K – $5M checks · typically $2M
FoundedObsidiantx
Find your path to Peter
1,081 people in our graph share verified history with Peter — schools, employers, funds. One of them is your warm intro.
About
Peter Barrett has worked at Atlas Venture since 2002, helping create therapeutic and drug discovery platform companies. Before Atlas, he co-founded Celera Genomics, serving as executive vice president and chief business officer, and previously held senior management roles at Applera. He holds a BS in chemistry from Lowell Technological Institute (now UMass Lowell) and a PhD in analytical chemistry from Northeastern University.
Contact· self-published, not guessed
Invests in
Biotech
Co-founder & Board Member at Obsidiantx
Intro paths
In turn, Peter can intro founders to Obsidiantx's investors below.
Obsidiantx's investors · 3
Co-founders at Obsidiantx

Board director at Synlogic
Intro paths
In turn, Peter can intro founders to Synlogic's investors below.
Synlogic's investors · 7
Board director at Mnemosyne Pharmaceuticals
Intro paths
In turn, Peter can intro founders to Mnemosyne Pharmaceuticals's investors below.
Mnemosyne Pharmaceuticals's investors · 2
Experience
- Atlas VenturePartner
- Harvard Business SchoolHarvard Business School Facultycurrent2016 — presentCambridge, Massachusetts, United States
- ArchemixBoard Member2002 — 2010
- Celera GenomicsExecutive Vice President1998 — 2002
- PerkinElmerCorporate Vice Preisdent1979 — 1998
Deals · 1
Antegrin TherapeuticsBoard seat
via Atlas Venture · filed Aug 2017 · $26M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
AlnylamArchemixCadent TherapeuticsHarbour AntibodiesLarimar TherapeuticsMomentaNovamedNucleate BioObsidian TherapeuticsRevvitySirion TherapeuticsStromedixSynlogicVitae Pharmaceuticals
Investor
ArchemixCadent TherapeuticsDeepscaleHarbour AntibodiesIndalo TherapeuticsInfacare PharmaceuticalJenaValve TechnologyLarimar TherapeuticsMomenta PharmaceuticalsObsidian TherapeuticsPosterousRaze TherapeuticsStromedixSynlogic
Sources: the firm's website · SEC Form D filings · curated public sources.
Colleagues at Atlas Venture
Network1
Investors connected to Peter in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Peter Barrett?
- Peter Barrett has worked at Atlas Venture since 2002, helping create therapeutic and drug discovery platform companies. Before Atlas, he co-founded Celera Genomics, serving as executive vice president and chief business officer, and previously held senior management roles at Applera. He holds a BS in chemistry from Lowell Technological Institute (now UMass Lowell) and a PhD in analytical chemistry from Northeastern University.
- Where does Peter Barrett work?
- Peter Barrett is Co-founder & Board Member of Obsidiantx and Partner at Atlas Venture and Board director at Synlogic and Board director at Mnemosyne Pharmaceuticals.
- What does Peter Barrett invest in?
- Peter Barrett invests in Biotech.
- What check size does Peter Barrett write?
- Peter Barrett typically writes checks of $500K – $5M.
- What companies did Peter Barrett found?
- Peter Barrett founded Obsidiantx.
- What boards does Peter Barrett sit on?
- Peter Barrett holds tracked board seats at Alnylam, Antegrin Therapeutics, Archemix, Cadent Therapeutics, Harbour Antibodies, Larimar Therapeutics, Momenta, Novamed, Nucleate Bio, Obsidian Therapeutics.
- What companies has Peter Barrett invested in?
- Investments tracked here include Archemix, Cadent Therapeutics, Deepscale, Harbour Antibodies, Indalo Therapeutics, Infacare Pharmaceutical, JenaValve Technology, Larimar Therapeutics, Momenta Pharmaceuticals, Obsidian Therapeutics, Posterous, Raze Therapeutics, and 2 more.
- Where did Peter Barrett go to school?
- Peter Barrett studied at Northeastern University (Phd, Analytical Chemistry).
Same school
Also attended Northeastern University469
+ 463 more
Shared employers
Also worked at Atlas Venture71
+ 65 more
Also worked at Harvard Business School325
+ 319 more
Also worked at Archemix3
Also worked at Celera Genomics9
+ 3 more









































