Thomas L Harrison

Thomas Harrison is Chairman Emeritus of Diversified Agency Services (DAS), the world's largest group of marketing services companies. A division of the Omnicom Group, DAS provides a broad range of marketing communications services including public relations, crisis management, branding, sales promotion, customer relationship management and specialty communications such as health care advertising for some of the largest global brands. With over 5000 worldwide clients, the DAS division has annual revenues of almost $5.0 billion and is the largest unit within Omnicom, itself the world's largest advertising holding company. Harrison's multi-faceted career brought him to Omnicom in 1992 when the firm he co-founded, Harrison & Star Business Group, the most successful and rapidly growing agency in the healthcare industry at the time, was acquired. He was appointed President of DAS in 1997 and was named Chairman and Chief Executive of DAS in 1998. Harrison serves on a number of prestigious boards. He is a member of the Executive Committee of the Montefiore Hospital and is Fellow of the New York Academy of Medicine. Harrison is board member for ePocrates, a healthcare information company and The Morgans Hotel Group. He was President of a local Westchester County School Board and Chairman and Founder of the not-for-profit education foundation in that Westchester School District. He has spoken at West Virginia University where he did his graduate research in cell biology and physiology and where Harrison was recognized with the 2006 Distinguished Alumni Award.