Rachel Zoffness, MS, PhD, is faculty at the UCSF School of Medicine, where she teaches pain education for medical residents and interns, and serves on the steering committee of the American Association of Pain Psychology. She is a pain psychologist, author, medical consultant, and educator specializing in chronic pain and illness. She is author of The Chronic Pain and Illness Workbook for Teens; piloted the Psychology Today column, Pain, Explained; and is a 2020 Mayday Pain Advocacy Fellow. She was trained at Brown University, Columbia University, University of California San Diego, San Diego State University, and Mount Sinai St. Luke's Hospital. She provides lectures and trainings for multidisciplinary health care providers, and serves as a consultant to medical professionals and hospitals around the world.Mark A. Schumacher, MD, PhD, is professor and chief of the division of pain medicine in the department of anesthesia and perioperative care at the University of California, San Francisco (UCSF).

Schumacher is director of the UCSF Pain and Addiction Research Center; recently served on the National Academies of Science, Engineering, and Medicine Committee; and coauthored a report on the opioid epidemic. Throughout his career, he has sought ways to communicate the science and practice of pain medicine, including previously directing an NIH Center of Excellence in Pain Education at UCSF.