Chairman, President and Chief Executive Officer
Millipore Corporation

Dr. Madaus joined Millipore in January 2005 as President and Chief Executive Officer and became Chairman of the Board in March 2005.

Dr. Madaus came to Millipore from Roche Diagnostics Corporation where, as President and Chief Executive Officer (2000–2004), he was responsible for the North American Operations. Prior to that, he was Vice President of Business Development for Roche Molecular Diagnostics. Dr. Madaus joined Roche in 1998 when he was general manager of Boehringer Mannheim Canada in Montreal, Quebec, through the acquisition of Boehringer Mannheim by Roche. From 1989 to 1998, Dr. Madaus worked at Boehringer Mannheim in senior management, sales and marketing, and product management roles both in Germany and in the United States.

Dr. Madaus is a director of the Massachusetts High Technology Council, the New England Healthcare Institute, the Massachusetts Workforce Development Investment Board, and the YMCA of Greater Boston. Dr. Madaus is a member of the Biotech, Pharmaceuticals and Medical Devices Council of the USA-India Chamber of Commerce.

Dr. Madaus is a native of Hamburg, Germany (naturalized American citizen), and holds a D.V.M. and Ph.D. in veterinary medicine.