Jonas Francisco Ynares Santiago, M.D. Former (2002-2013) Director of the Positron Emission Tomography Center and Former (2007-2013) Department Chairman of Nuclear Medicine, St. Luke’s Medical Center, E. Rodriguez, Quezon City. Chairman, Nuclear Medicine and PET Center, St. Luke’s Medical Center, Global City National Project Coordinator of the IAEA Project RAS 6/049 “Strengthening Clinical Applications of PET in RCA Member States” Regular Lecturer of the Radioisotopes Technique and Training Course, Philippine Nuclear Research Institute.