Barry O'Sullivan – Biography
Last update: March 25, 2026Executive profile
Barry was General Manager for Mars. Barry O'Sullivan joined Diageo in 2021. Barry served as Managing Director, Ireland at Diageo.
Barry O'Sullivan is currentlyManaging Director, Great Britain at Diageo Europe - View - Diageo Europe org chart
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Education
In 2007, Barry O'Sullivan completed a Master of Business Administration in Strategy, Marketing and Change Management at University College Dublin - Michael Smurfit Graduate School of Business.
They have also studied at University College Dublin - Michael Smurfit Graduate School of Business :
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The colleagues of Barry O'Sullivan
Company Colleagues
- At Diageo Europe, Barry O'Sullivan has 33 colleagues including Dayalan Nayager (President), Olena Neznal (Northern Europe)…
Homonyms
- Barry O'Sullivan - Senior Vice President of Legal - SMBC Aviation Capital
Industry Colleagues
- In the Wine & Spirits industry, Barry O'Sullivan has 4,910 colleagues in 267 companies located in 46 countries. 2,683 executive movements have been recorded in the last 12 months. Learn more about Wine & Spirits.
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