Patrick O'Sullivan – Biography
Last update: April 8, 2026Executive profile
Patrick was Chief Executive Officer at Leo Pharma, and Chairman of the Board at Merrion Pharmaceuticals.
Patrick O'Sullivan is currentlyPartner and Chief Financial Officer at CrossHarbor Capital Partners - View - CrossHarbor Capital Partners org chart
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Education
Patrick O'Sullivan has a Bachelor of Commerce from University College Dublin and a Master of Business Administration from University College Dublin.
They have also studied at University College Dublin :
Brendan O'Callaghan - Sanofi
Alice Donnelly - Thermo Fisher Scientific
Charles Giannesini - Carrefour
Find more alumni from University College Dublin
They have also studied at University College Dublin :
- Brendan O'Callaghan - Sanofi
- Alice Donnelly - Thermo Fisher Scientific
- Charles Giannesini - Carrefour
Find more alumni from University College Dublin
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The colleagues of Patrick O'Sullivan
Company Colleagues
- At CrossHarbor Capital Partners, Patrick O'Sullivan has 29 colleagues including Sam Byrne (Co-Managing Partner & Founder), Bill Kremer (Co-Managing Partner & Founder)…
Homonyms
- Patrick O'Sullivan - Founder and Non-Executive Director - AIFM Solutions Limited
- Patrick O'Sullivan - Non Executive Chairman of the Board - CAR Group
- Patrick O'Sullivan - Director - NYCEDC
- Patrick O'Sullivan - Managing Director and Head of Business Development - UBS Global Asset Management Real Estate & Private Markets
- View all the 4 org charts > Close
Industry Colleagues
- In the Investment Banking industry, Patrick O'Sullivan has 8,713 colleagues in 426 companies located in 54 countries. 3,270 executive movements have been recorded in the last 12 months. Learn more about Investment Banking.
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