 LA JOLLA, Calif.--BUSINESS WIRE--DermTech, Inc. NASDAQ: DMTK DermTech, a leader in precision dermatology enabled by a non-invasive skin genomics platform, announced today three new key leadership appointments: Loren Clarke, M.D. to the role of Chief Medical Officer, Ray Bassi to the role of Vice President, Sales and Patrick Johnson to the role of Vice President, Information Technology and Digital Systems. Loren Clarke, M.D., is a board-certified Pathologist and Dermatopathologist with e 