Andrew Leitner, MD, is an assistant clinical professor at City of Hope National Medical Center, in the departments of Supportive Care Medicine and Anesthesiology. He is board certified in anesthesiology and interventional pain management and is involved in local and national organizations to advance the practice and science of pain management for cancer patients. Dr. Leitner received his medical degree from Washington University in St. Louis, followed by a residency and fellowship at UCLA. His research interests are in postoperative pain, methodology in symptom management, and emerging modalities for pain control. His area of clinical focus is the management of acute and chronic cancer pain.  Christine Chang, MD, is a board-certified expert in interventional pain management and psychiatry. She received her medical degree from the University of Colorado and then completed a psychiatry residency at Mount Sinai Hospital and an interventional pain medicine fellowship at Keck School of Medicine of the University of Southern California. She earned her acupuncturist license from the State University of New York. Her research interests are in the fields of cancer rehabilitation, chemotherapy-induced neuropathy, and integrative and complementary medicine for pain and psychiatric conditions. She currently works as a consultant for the NFL and for Traditions Behavioral Health programs and her clinical focus is on populations with complex trauma based pain and psychiatric disease.