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Mark O’Neil

Mr. Mark O’Neil
President & CEO
Columbia Group
Former President
InterManager (2020-2024)

Mark O’Neil is the President and CEO of Columbia Group. Previously an English Army Officer and then a maritime lawyer by profession, as a Partner with Stephenson Harwood LLP and Reed Smith LLP for 17 years, Mark headed up international law firm Reed Smith LLP’s German Shipping Team, and also co-lead the firm’s Offshore Department. His clients included Ship Owners, Charterers, Insurers, Management Companies, Banks, Oil Companies and Offshore Contractors worldwide with a particular focus on the German, Scandinavian, Greek, Dutch, South American and Cypriot markets. He therefore has an in-depth knowledge of the shipping, ship management, banking and offshore sectors. 

Mark chairs and/or speaks at numerous maritime and banking conferences and seminars worldwide. He is a passionate advocate of performance optimisation, digitalisation, crew training and the Human Element within the shipping and ship management industry and regularly speaks on these matters. Mark was elected as President of InterManager from 2020 to 2024, and is also CEO of Schoeller Holdings.

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