Greg Hammer, MD is a Professor at Stanford University School of Medicine,
pediatric intensive care physician, pediatric anesthesiologist, and the author of GAIN
without Pain: The Happiness Handbook for Health Care Professionals (May 15, 2020).
A member of the Stanford WellMD initiative, Dr. Hammer is currently the Chair of the
Physician Wellness Task Force for the California Society of Anesthesiologists. He has
been a visiting professor and lecturer on wellness at institutions worldwide and teaches
GAIN to medical students, residents, and fellows at Stanford.
Dr. Hammer’s clinical focus is in pediatric cardiac anesthesia and pediatric critical care
medicine. His research is in developmental pharmacology and immunology, and he has
an active laboratory with multiple ongoing studies in these areas. He has published
widely on topics related to pharmacology and perioperative care of children undergoing
cardiac and thoracic procedures as well as organ transplantation. Dr. Hammer is a
health enthusiast and meditator, utilizing a non-duality and mindfulness-based
approach, including the GAIN method.
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