Dr. Witney most recently served as President and Chief Executive Officer of Affymetrix, Inc. (now part of Thermo Fisher Scientific), which specialized in microarray technology and cellular analysis. Previously, Dr. Witney was President and Chief Executive Officer of Dionex Corp., a market leading ion and high performance liquid chromatography company. Prior to that, Dr. Witney first joined Affymetrix when it acquired Panomics Inc., a quantitative biology company, which he led as President and Chief Executive Officer. He previously held the role of President of PerkinElmer’s Drug Discovery Tools division following the acquisition of Packard BioScience in 2001, where he served as President and Chief Operating Officer. Dr. Witney also held several positions at Bio-Rad Laboratories, leading that company's efforts to enter the proteomic and bioassay technologies market.
Dr. Witney is a member of the board of directors of publicly traded Cerus Corporation, Codex DNA and Standard BioTools, as well as several privately held companies, and is an Operating Partner at Ampersand Capital Partners.
Dr. Witney brings deep market knowledge and over 30 years of leadership experience across the life sciences, diagnostics and analytical instruments industry.