Jonathan Reisman, M.D., is an internist and pediatrician whose work has carried him from northern Alaska to the emergency rooms of rural Pennsylvania. An enthusiastic humanitarian, he volunteered at a high-altitude clinic in Nepal through the Himalayan Rescue Association in 2016. He is President of the World Health and Education Network and is on the Board of Directors of Doctors for You-USA. His work has appeared in The New York Times, Slate, and The Washington Post.