Find your path to Jack
428 people in our graph share verified history with Jack — schools, employers, funds. One of them is your warm intro.
Pascual Cortes-MonroyunlockedJack: together at Amherst College (2017)
Jack: together at The London School of Economics and Political Science (LSE)
Jack: together at HarbourVest Partners
Jack: together at Milton Academy
About
Jack O'Brien is an investor and fund manager with nearly 15 years of experience spanning private equity, venture capital, management consulting, and M&A, with recent focus on AI, biotech, and medtech. He has led and advised investments in more than 30 biotech and medtech companies across areas including gene therapy and editing, AI drug discovery, cell and regenerative therapies, and early diagnostics, working across stages from venture creation and seed through to IPO. His portfolio companies have produced exits through IPOs and M&As, with several reaching pre-IPO stage or unicorn status.
Contact· self-published, not guessed
Experience
- Catalyst InvestorsAssociatecurrent2024 — presentNew York City Metropolitan Area
- Digital Capital AdvisorsInvestment Banking Analyst2022 — 2024New York City Metropolitan Area
- Digital Capital AdvisorsInvestment Banking Summer Analyst2021
- G2 Capital AdvisorsInvestment Banking Winter Analyst2021
- AEM Unternehmerkapital GmbHPrivate Equity Fall Analyst2020 — 2021
- Tourmaline Partners, LLCOutsourced Trading Summer Analyst2020Stamford, Connecticut, United States
- HarbourVest PartnersPrivate Equity Summer Analyst2019Boston, Massachusetts
- Saltonstall & CoFamily Office Summer Analyst2018Greater Boston Area
Skills & more
Leadership2Microsoft Office2EconomicsEquity ResearchFinancial StatementsFinancial AccountingFamily Office
From Jack's professional profile.
Colleagues at Catalyst Investors
Annie Veldman
Senior Associate at Catalyst Investors
Brian Rich
Managing Partner & Co-Founder at Catalyst Investors
Carson Bliss
Manager, Business Development at Catalyst Investors
Christopher J. Shipman
Executive Officer at Catalyst Investors
D. Ryan McNally
Executive Officer at Catalyst Investors
Deven Pathak
Associate at Catalyst Investors
Eugene Wolfson
Executive Officer at Catalyst Investors
Jamie Ku
Controller at Catalyst Investors
Frequently asked questions
- Who is Jack O'Brien?
- Jack O'Brien is an investor and fund manager with nearly 15 years of experience spanning private equity, venture capital, management consulting, and M&A, with recent focus on AI, biotech, and medtech. He has led and advised investments in more than 30 biotech and medtech companies across areas including gene therapy and editing, AI drug discovery, cell and regenerative therapies, and early diagnostics, working across stages from venture creation and seed through to IPO. His portfolio companies have produced exits through IPOs and M&As, with several reaching pre-IPO stage or unicorn status.
- Where does Jack O'Brien work?
- Jack O'Brien is Associate at Catalyst Investors.
- Where did Jack O'Brien go to school?
- Jack O'Brien studied at Amherst College (Economics); IES Abroad; The London School of Economics and Political Science (LSE) (Finance).
Same school
Also attended Amherst College186
Will ReedInvestor at Spark CapitalPascual Cortes-MonroyPrincipal at NorthzoneYoni RechtmanPartner at Slow VenturesPaul GoodrichCo-Founder at Madrona Venture GroupConor DeveneyPrincipal at GreycroftPaul LevineOperating Partner at Sapphire Ventures
+ 180 more
Also attended IES Abroad22
Fallon GoodeExecutive Assistant at March Capital PartnersJustin KellerSenior Associate at Orkila CapitalBen HartheimerSenior Associate, Portfolio Operations at Northpond VenturesNicole LaytonSenior Associate, Investor Relationship Management at Deerfield Management CompanyLucy StenovecSenior Associate, Talent & Network at StripesIan McCabeAssociate at Endeavour Capital
+ 16 more
Also attended Milton Academy66
TinaInvestments & Portfolio Services Team Member at Clear VenturesSteve BrotmanManaging Partner, Founder at Alpha PartnersPeter KellnerManaging Partner of Richmond GlobalJordan WindmuellerPartner at BA CapitalJohn NylenChief Revenue Officer at Asymmetric Capital PartnersClaire Hughes JohnsonCorporate Officer, Stripe at Operator Collective
+ 60 more
Also attended Shattuck-St. Mary's School3
Shared employers
Also worked at Digital Capital Advisors2
Also worked at G2 Capital Advisors1
Also worked at AEM Unternehmerkapital GmbH1
Also worked at HarbourVest Partners37
Greg O'BrienInvestor at Third Rock VenturesSamar JahanVice President of Finance at Mission BiocapitalDaniel FureyPartner, Head of Global Capital Formation at ClearSkyBrian BuennekePartner at Pantheon VenturesDan RosenPartner at Commerce VenturesJustin StreicherAssociate at Mainsail Partners
+ 31 more