Expert is Director of Cardiology and The Athletes' Heart Program at Expert's University and Professor of Medicine at the University of CT. He previously was Professor of Medicine at the University of Pittsburgh and on the faculty of Brown University. He has authored over 200 scientific articles on topics which include: the effects of exercise training on preventing and treating heart disease; the risk of sudden death during exercise; the effects of statins on muscle function, and genetic factors affecting the exercise response. His present National Institute of Health grant support is examining the effect of statins on muscle strength.

Expert's research and clinical interests in exercise originate from his personal interest in distance running. He qualified for the 1972 U.S. Olympic Marathon Trials and finished 16th in the Boston Marathon in 1976. He continues to run recreationally and has completed the last 11 Boston Marathons.

Expert is associated with the following societies: American College of Sports Medicine, American Heart Association Council on Clinical Cardiology, and the American Heart Association Council on Epidemiology.

Expert has been certified by the National Board of Medical Examiners in Internal Medicine and Cardiovascular Disease. He is licensed to practice in Massachusetts, Connecticut and Rhode Island (Inactive).

Expert has served as the president, vice president and trustee of the American College of Sports Medicine. He has held several academic appointments such as Assistant Professor of Medicine and Professor of Medicine at 3 different universities. He has been named Director of various Cardiology Divisions and Departments at various hospitals including his current appointment as Director in the Division of Cardiology at Expert's University.

Expert recieved the Student Athlete Award at Tufts College and qualitifed for the United States Olympic Marathon Trials in 1972.

Expert did his internship, residency and fellowship in medicine at Tufts New England Medical Center. He also did a post-doctoral fellowship at Standford University Medical Center.

Expert's research and clinical interests in exercise originate from his personal interest in distance running. He qualified for the 1972 U.S. Olympic Marathon Trials and finished 16th in the Boston Marathon. He continues to run recreationally and has completed the last 11 Boston Marathons.

Expert has served as a television medical commentator for 2 Boston and 5 NYC Marathons and commented on the 1992 and 1993 NYC events while running the race. He was NBC's Sports Medicine Analyst Olympic Games in Seoul, Korea and served in a similar capacity for ABC's coverage of the Pan American Games in Cuba. He has been a guest on Good Morning America nine times