Mark Heyman, PhD, CDCES


Dr. Mark Heyman is a diabetes psychologist and a Certified Diabetes Care and Education Specialist. He is the CEO of the Center for Diabetes & Mental Health (CDMH) in San Diego. He is passionate about providing diabetes education and evidence-based mental health treatment and online programs to people with diabetes. Mark received his PhD in Clinical Psychology from The George Washington University and completed his psychology internship at the UCSD School of Medicine. Mark is the host of The Diabetes Psychologist podcast and he has been living with Type 1 diabetes since 1999. You can follow Mark on Instagram @thediabetespsychologist and you can reach him by email at