Frank R. Witney. Dr. Witney has served as a member of the board of directors since December 2020. Since September 2016, Dr. Witney has served as an Operating Partner at Ampersand Capital Partners, a private equity firm. From July 2011 to March 2016, Dr. Witney served as President and Chief Executive Officer of Affymetrix, Inc., a provider of life science products and molecular diagnostic products, until Affymetrix, Inc. was acquired by Thermo Fisher Scientific Inc. From April 2009 to May 2011, Dr. Witney served as President and Chief Executive Officer of Dionex Corporation, a provider of analytical instrumentation and related accessories and chemicals.. From December 2008 to April 2009, Dr. Witney served as Affymetrix’s Executive Vice President and Chief Commercial Officer. From July 2002 to December 2008, Dr. Witney served as President and Chief Executive Officer of Panomics Inc. Dr. Witney currently serves on the board of directors of PerkinElmer Inc. and Cerus Corporation and the private companies Nexcelom Biosciences LLC, and Emulate, Inc. He has previously served on the boards of Gyros Protein Technologies, RareCyte Inc., GeneOptx and Canopy Bioscience. Dr. Witney earned a B.S. in microbiology from the University of Illinois and a M.S, in microbiology and PhD in molecular and cellular biology from Indiana University.