John Trzupek
InvestorManaging Director at Bain Capital Venture · Managing Director at Bain Capital Life Sciences
Boston
Find your path to John
591 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.
Naomi Pilosof IonitaunlockedJohn: together at Northwestern University (2000–2001)
×2John: together at Northwestern University
John: together at The University of Chicago Booth School of Business
×8John: together at Third Rock Ventures
About
John Trzupek joined Bain Capital in 2025 as a Managing Director on the Life Sciences team. He previously served as COO and CFO at Abata Therapeutics and Chief Business Officer at KSQ Therapeutics, and held business and scientific roles at Pfizer, including Director of Strategy for inflammation and immunology. He began his career as a Research Fellow at Memorial Sloan-Kettering Cancer Center.
Invests in
Biotech
Experience
- Bain CapitalManaging Directorcurrent2025 — presentGreater Boston
- Abata TherapeuticsChief Operating Officer & Chief Financial Officer2024 — 2025
- Abata TherapeuticsChief Operating Officer2021 — 2024Greater Boston
- Third Rock VenturesBusiness Consultant2021Greater Boston
- KSQ Therapeutics, Inc.Chief Business Officer2019 — 2021Greater Boston
- KSQ Therapeutics, Inc.CFO (interim) & Head of Corporate Development2018 — 2019Greater Boston
- KSQ Therapeutics, Inc.Senior Director, Head of Corporate Development2015 — 2018Greater Boston Area
- PfizerDirector of Strategy, Inflammation & Immunology Research2015Greater Boston Area
- PfizerAssociate Director, Strategy and Operations, Immunoscience Research2013 — 2015Greater Boston
- PfizerPrincipal Scientist, BioTherapeutics Chemistry2011 — 2013Greater Boston
- PfizerSenior Scientist, BioTherapeutics Chemistry2009 — 2011Greater Boston
- PfizerSenior Research Scientist2008 — 2009Greater Boston
- Memorial Sloan-Kettering Cancer CenterResearch Fellow2006 — 2008New York City Metropolitan Area
- The Scripps Research InstituteGraduate Student2001 — 2006San Diego County, California, United States
Skills & more
Medicinal Chemistry35Lead Change10Drug Design14Drug Discovery62Organic Synthesis7Strategic Thinking5Pharmaceutical Industry25Strategy14Leadership4Drug Development5Organic Chemistry4R&D7
+2 more
ChemistryCross-functional Team LeadershipFrom John's professional profile.
Colleagues at Bain Capital Venture
Ajay Agarwal
Partner at Bain Capital Ventures
Alena Harrison
Operating Partner at Bain Capital Double Impact Fund LP
Alexander Katz
Investor at Bain Capital Real Estate
Alexandra Assante
Vice President, Treasury at Bain Capital Venture
Alfred Bonfantini
Director at Bain Capital Credit
Alyson Goff
Associate at Bain Capital Life Sciences
Aman Jain
Investment Associate at Varanium NexGen
Amanda Conklin
Vice President at Bain Capital Double Impact Fund LP
Frequently asked questions
- Who is John Trzupek?
- John Trzupek joined Bain Capital in 2025 as a Managing Director on the Life Sciences team. He previously served as COO and CFO at Abata Therapeutics and Chief Business Officer at KSQ Therapeutics, and held business and scientific roles at Pfizer, including Director of Strategy for inflammation and immunology. He began his career as a Research Fellow at Memorial Sloan-Kettering Cancer Center.
- Where does John Trzupek work?
- John Trzupek is Managing Director at Bain Capital Venture.
- What does John Trzupek invest in?
- John Trzupek invests in Biotech.
- Where did John Trzupek go to school?
- John Trzupek studied at The University of Chicago Booth School of Business (MBA, Finance); Scripps Research (Ph.D., Organic Chemistry); Northwestern University (BA, Chemistry).
Same school
Also attended The University of Chicago Booth School of Business788
Prashant ShahPartner at Monta Vista CapitalNoorPartner at Clear VenturesTinaInvestments & Portfolio Services Team Member at Clear VenturesKatrin GeyskensExecutive Director at Capricorn Venture PartnersBill PescatelloInvestor at LightbankGlebFounder and Managing Partner at iTech Capital
+ 782 more
Also attended Scripps Research20
Venkat ReddyChief Science Officer at GENERAL INCEPTIONMarc MoesserInvestment Manager at redalpineKaushik RamInvestments at Yali CapitalMegan BlewettPrincipal at Scion Life SciencesElliot WarnerAssociate at Scion Life SciencesOdile RundquistPartner IR&BD at Bioqube Ventures
+ 14 more
Also attended Northwestern University592
Mikowai AshwillInvestor at Spark CapitalNaomi Pilosof IonitaBoard Partner at Menlo VenturesEric OngInvestor at LightbankBill PescatelloInvestor at LightbankScott JacobsonManaging Director at Madrona Venture GroupAnna WangAssociate at March Capital Partners
+ 586 more
Shared employers
Also worked at Abata Therapeutics6
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
Also worked at KSQ Therapeutics, Inc.2
Also worked at Pfizer229
Jigar RaythathaInvestor at Third Rock VenturesAbbie CelnikerInvestor at Third Rock VenturesErin MooreInvestor at Third Rock VenturesJeb KeiperInvestor at Third Rock VenturesRichard ChesworthInvestor at Third Rock VenturesMichael TaylorOperating Partner at Mission Biocapital
+ 223 more