John O’Sullivan
InvestorGeneral Partner at Act Venture Capital
Find your path to John
14 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.
John FlynnunlockedJohn: together at Act Venture Capital
×11John: together at Act Venture Capital
Colleagues at Act Venture Capital
Andrew O’Neill
Principal at Act Venture Capital
Cathy McBride
Fund Accountant at Act Venture Capital
Conor Mills
Principal at Act Venture Capital
Debbie Rennick
Investor at Act Venture Capital
John Flynn
Managing Partner at Act Venture Capital
Lorraine Paton
Financial Controller at Act Venture Capital
Mairead Roche
Associate at Act Venture Capital
Sarah Matthews
Accounts at Act Venture Capital
Frequently asked questions
- Who is John O’Sullivan?
- General Partner at Act Venture Capital
- Where does John O’Sullivan work?
- John O’Sullivan is General Partner at Act Venture Capital.

