Jack served on the board of directors of Dexcom from 2008 to 2017, and from 2010 to 2017, he served as its Chairman. Jack is a board-certified forensic pathologist and Fellow of the College of American Pathologists. He currently serves as the Chairman of the Board at BIOLASE, on the Advisory Board to the Director of the CDC, and the World Economic Forums Global Agenda Council on Chronic Disease and Malnutrition. He joined Humana Inc. in 2000 where he served as Chief Innovation Officer and as Senior Vice President. With more than 20 years in medical administration, he joined Humana from Health Dialog, where he served as President and became a leader in e-enabled healthcare. Prior to joining Health Dialog, he served as Chief Operating Officer of the American Hospital Association in Washington, D.C., Executive Vice President of Anne Arundel Medical Center in Annapolis, MD, and Executive Vice President of Sun Health in Charlotte, NC. At Signos, Jack made the introduction to the Dexcom CEO and advised on early discussions.
Current role