BETHLEHEM, Pa.--(BUSINESS WIRE)--Saladax Biomedical, Inc. (www.saladax.com) announced today that Gregory Critchfield, M.D., M.S., has joined its board of directors. Critchfield has spent more than 20 years in the diagnostic industry, most recently as President of Myriad Genetic Laboratories. Saladax Biomedical develops novel companion diagnostics through partnerships with industry and is advancing its MYCARE™ line of diagnostic tests, each of which measure blood levels of drugs for cancer and central nervous system (CNS) disorder, providing physicians with guidance to personalize patient dosing for optimal efficacy.