Dr. Dean Ornish, founder and president of the Preventive Medicine Research Institute and Clinical Professor of Medicine at UCSF and UCSD, has spent over 45 years pioneering research on the impact of lifestyle changes on chronic diseases. A graduate of Baylor College of Medicine with training at Harvard Medical School and Massachusetts General Hospital, he demonstrated that lifestyle interventions can reverse severe coronary heart disease, slow prostate cancer progression, and improve cognition in early Alzheimer’s. His work on gene expression and telomeres has advanced understanding of aging and disease prevention. A #1 New York Times bestselling author and sought-after speaker, Dr. Ornish has influenced healthcare policies, including Medicare coverage for lifestyle medicine, and has received numerous awards for his groundbreaking contributions. His research has been featured in leading journals and documentaries, establishing him as a global leader in integrative and preventive medicine.