Tom is Lead Independent Director of Merck & Co. Inc. and Morgan Stanley. He is Executive Chair and Co-Founder of BlueVoyant LLC, a cyber-defence company, and fintech company Capitolis Inc. He is also Chair of Istari Global Ltd, a cyber-risk management platform, a Partner at Communitas Capital LLC, a fintech-focused venture-capital fund, and the founder and Managing Partner of Angelic Ventures LP, a family office that invests in technology start-ups.

Tom is also an Independent Board member of Publicis Groupe SA, a Director of K2 Integrity Holdings Inc., a Trustee of the Cleveland Clinic, a Director of the Atlantic Council of the USA and an Adviser to Taktile GmbH. He is also on the Board of Governors of the International Tennis Hall of Fame.

From 1993 to 2011, Tom worked at Reuters Group plc and its successor company, Thomson Reuters Corp., where he served as CEO for 11 years at the news and professional information provider. Prior to Reuters, Tom was an M&A lawyer at Davis Polk & Wardwell in New York, Paris and Tokyo.