David Marsh is chairman, chief executive officer and co-founder of OMFIF. Before starting at OMFIF in  late 2009,  he worked for City merchant bank Robert Fleming, corporate finance boutique Hawkpoint, German management consultancy Droege and London investment firm London & Oxford. Previously, he was board member at Henderson EuroTrust and had a journalistic career with Financial Times and Reuters.

Marsh was made Commander of the British Empire in 2000 and was awarded the German Order of Merit in 2003. He has written seven books books on European politics and economics. Can Europe Survive? The Story of a Continent in a Fractured World was published in autumn 2025.