diaDexus, Inc. announced that its Board of Directors has appointed Adeoye (Oye) Y. Olukotun, M.D., M.P.H., F.A.C.C., F.A.H.A. as an independent director. Dr. Olukotun brings 35 years of medical experience to diaDexus, having worked in management positions across large pharmaceutical, biotechnology and major medical device companies. He currently serves as vice chairman of CardioVax, LLC and is an active board member for Nordion Inc. Dr. Olukotun is a board certified cardiologist who has been instrumental in the submission of many New Drug Applications, Premarket Authorization Applications and 510(k) Applications.