IRVINE, Calif., April 11, 2012 (GLOBE NEWSWIRE) -- CombiMatrix Corporation (Nasdaq:CBMX), a molecular diagnostics company performing DNA-based testing services for cancer and developmental disorders, today announced that veteran molecular diagnostics specialist Richard Hockett, M.D. has been named Medical Director, effective May 1. Hockett, 52, will report directly to CombiMatrix CEO R. Judd Jessup.