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Greg Hammer M.D.

Wellness and Mindfulness Lecturer & Author

Professor at Stanford University School of Medicine, pediatric intensive care physician anesthesiologist, mindfulness, expert, and author of GAIN without Pain: The Happiness Handbook for Healthcare Professionals.

A popular guest lecturer, Dr. Hammer frequently speaks around the world in order to share his philosophy with physicians and other medical professionals. Dr. Hammer’s clinical focus has been in pediatric cardiac anesthesia and pediatric critical care medicine. His research has centered on developmental pharmacology and immunology, and he has had an active laboratory with multiple ongoing studies in these areas.

Dr. Hammer has published widely on topics related to pharmacology and perioperative care of children undergoing cardiac and thoracic procedures as well as organ transplantation. He is a health enthusiast and meditator, utilizing a non-duality and mindfulness-based approach, including the GAIN method.

He is a former member of the Stanford WellMD initiative and past Chair of the Physician Wellness Task Force for the California Society of Anesthesiologists and a member of the Wellness Committee for the American Society of Anesthesiologists. He has been a visiting professor and lecturer on Wellness at institutions worldwide. 

Dr. Hammer has been featured on many TV, radio, and podcast programs across the US in which he discusses a wide range of topics related to physical and spiritual health.

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Dr. Hammer has taught GAIN to medical students, residents and fellows at Stanford. Practicing medicine is a privilege. It is immensely rewarding. Yet more and more physicians are suffering from burnout. In order to provide an efficient and effective antidote to burnout, Dr. Hammer created GAIN Without Pain, a four-step process of meditation and mindfulness. GAIN is an acronym for Gratitude, Acceptance, Intention, and Nonjudgment. GAIN practice can substantially reduce stress and increase well-being in as little as three minutes a day.

Benefits for Professionals of Every Industry

GAIN Without Pain provides a full prospective from the lens of pediatric intensive care physician and anesthesiologist, Greg Hammer, MD. In observance of his experience and environment, there has arisen a viral pattern of burnout within the lives healthcare professionals globally.

Now, in a world focused on the complications of COVID-19, this trend of burnout is most relevant as virtually all industries are affected. Dr. Hammer offers GAIN Without Pain as a toolbox for professionals of all industries looking for a way to conquer their walls of internal and external struggle.

  • Resilience
  • Happiness
  • Mental Clarity
  • Stress Relief
  • Staying Present
  • Self Care
  • Fulfillment in Life & Work
  • Easy-to-Follow Routine

What do people say?

Testimonials from the folks who changed their lives – for better.

"This helpful toolbox will provide important practical steps for all of us to find a more helpful and healthful way to live and work."
Daniel J. Siegel, MD
New York Times Bestselling Author
"GAIN Without Pain offers a clear path for self-care that incorporates the most recent science with a heart-centered approach. The GAIN approach offers one the ability to reconnect with why they became a healer and, more importantly, how to be happy while being a healer.”
James Robert Doty, MD
Founder, The Center for Compassion and Altruism Research and Education, New York Times Bestselling Author
"This book is designed to help us achieve something we all desire—happiness and fulfillment in our personal and professional lives. By implementing the principles of GAIN, medical professionals can become healthier, happier, less stressed, and more resilient.”
Tait Shanafelt, MD
Director, WellMD Center, Associate Dean, Stanford School of Medicine