“We've taken what's cutting edge and made it standard. Set apart from the public health approach, we can do what's best for the individual patient.”

Boyd Lyles, Jr., M.D.,
Founding Director

Contact Dr. Lyles to speak at your company.

Our Doctors & Experts

Boyd Lyles Jr. MD

Internal Medicine and Preventive Medicine Specialist
Boyd Lyles, Jr. MD, the center's founder, is an internal and preventive medicine specialist, an author, and a frequent speaker on health, heart disease, nutrition, and exercise across the U.S. and abroad. He has established a similar clinic in Colorado and served 17 years at the Cooper Clinic, the final six as associate medical director. In more than 20 years in preventive medicine, Dr. Lyles has performed thousands of comprehensive health evaluations and is a knowledgeable health coach who takes a strong personal interest in his patients’ success. For patients who have been through a HeartHealth and Wellness Center exam, Dr. Lyles is also available for primary care.

J. Douglas Overbeck MD

Cardiologist
Founding director J. Douglas Overbeck, MD, board-certified in internal medicine and cardiovascular disease, specializes in preventive cardiology and cardiovascular evaluation of the competitive athlete. Dr. Overbeck is past chair of medicine at Baylor Medical Center at Irving and Las Colinas Medical Center. He has served as a cardiovascular consultant to the Dallas Mavericks, and currently is on the board of CSANT—Texas’ largest medical and surgical group practice of physicians specializing in cardiology and cardiovascular surgery.

Philip Walker, MS

Sports Science Specialist
Philip Walker, MS, heads the Center’s fitness management program. The former international and Olympic athlete and coach has led his own successful wellness program and directed the Cooper Clinic fitness management program for 10 years. For the past 10 years, he designed and directed physical education programs for schools, universities, and military through the United States, Europe, Middle East, and Asia. As an athlete for Great Britain, he consistently ranked among the top 10 nationally in the biathlon and triathlon and competed in more than 30 international events. He is qualified to consult and train in adventure and endurance sports, running, tennis, golf, skiing, and weight training and recently co-authored a golf-conditioning book with a leading European Tour coach.

Susan Rodder, MS RD LD

Dietitian
Susan Rodder, MS RD LD, is a part-time clinical instructor at UT Southwestern Medical Center and counsels cardiac, diabetic, and weight-loss patients in her private practice. Her interest in preventive medicine makes her a popular corporate speaker, covering timely nutrition topics.