Board of Directors

Gregory C. Critchfield, M.D., M.S.

Gregory C. Critchfield, M.D., M.S. served as our Chairman, President and Chief Executive Officer from November 2011 through May 2023. Dr. Critchfield brings decades of experience in the diagnostics industry, including a proven track record of successfully launching diagnostics products and significantly growing revenues for leading diagnostics companies. Previously, Dr. Critchfield was President of Myriad Genetic Laboratories, a wholly-owned subsidiary of Myriad Genetics, Inc., a molecular diagnostics company, from 1998-2010. Under his leadership, Myriad launched seven novel molecular diagnostic products across a variety of technology platforms and increased annual revenues from $2.2 million to $326.5 million. Prior to Dr. Critchfield’s role at Myriad, he served as Senior Vice President, Chief Medical and Science Officer of Quest Diagnostics (formerly Corning Clinical Laboratories). Prior to Quest Diagnostics, Dr. Critchfield was the Director of Clinical Pathology at Intermountain Health Care. Dr. Critchfield has served on the boards of Saladax Biomedical Inc., BioTrove Inc., Biocius Life Sciences, Inc., Integrated Diagnostics, Inc., Nodality, Inc., Metamark Genetics, Inc., Lantos Technologies and Condor Therapeutics, Inc., and currently serves as a director of Epic Sciences. He also served as both a reviewer and an NIH Study Section Chair for biomedical computing grants over a period of time encompassing fifteen years. He holds a B.S. in Microbiology from Brigham Young University, an M.S. in Biophysical Sciences from the University of Minnesota and an M.D. from the University of Utah College of Medicine. We believe that Dr. Critchfield’s perspective and experience as our President and Chief Executive Officer, as well as his depth of experience in the diagnostics industry, provide him with the qualifications and skills to serve on our board of directors.