In addition to training in Cardiology he has special Certifications in Positron Emission Tomography. He was Board Certified in Internal Medicine in 1990 and Nuclear Cardiology in 1996. He developed both the Unified Theory of Vascular Disease establishing "Inflammation" as the cause of coronary and peripheral vascular disease and the Quadratic Blood Flow Equation for Coronary Flow Reserve in the early to mid-1990s. He has published more than 50 papers in peer review medical journals, over 50 presentations at scientific conferences throughout the U.S., Europe and Asia, has authored 8 chapters in Medical Textbooks and written 3 independent books on Health Care. He has served as Faculty and a Professor at various Universities and in 2003 received a Physician of the Year award. His current work on SPECT Cardiac imaging promotes the detection of Vulnerable Inflammatory Plaques (VIPs) through reductions in radiation dosage by using principles similar to the detection of black holes and dark matter.