Douglas A. Berthiaume Independent Director since 1988 Mr. Berthiaume is chairman, president and chief executive officer of Waters Corporation, a manufacturer of high performance liquid chromatography, mass spectrometry, thermal analysis and rheology products and services. From 1990 to 1994, Mr. Berthiaume served as president of the Waters Chromatography Division of Millipore Corporation, the predecessor business of the company, which was purchased in 1994.