AltheaDx, a commercial stage, precision medicine company with the world's leading pharmacogenomics test for anxiety and depression announced today that it has appointed Derek Maetzold to its Board of Directors. Mr. Maetzold is AltheaDx's fourth Director and brings not only strong knowledge of the diagnostics industry, but also operations and management experience. Mr. Maetzold is the Founder and CEO of publicly listed Castle Biosciences (NASDAQ: CSTL). Previously he held leadership roles at Encysive Pharmaceuticals, Amylin Pharmaceuticals, Sandoz and Schering-Plough. Castle Biosciences has gained Medicare reimbursement coverage and has had a successful launch and commercialization of their diagnostic tests in uveal and cutaneous melanoma.