Benjamin E. "Ben" Kligler is an American academic physician and alternative medicine researcher who has been active in leading integrative medicine initiatives for over 20 years. He is an associate professor in the Department of Family and Social Medicine at the Albert Einstein College of Medicine, as well as the research director of the Mount Sinai Beth Israel Department of Integrative Medicine and the director of the Beth Israel Fellowship Program in Integrative Medicine. He is also the co-editor-in-chief of the alternative medicine journal Explore: The Journal of Science and Healing.
Kligler received his medical degree from the Boston University School of Medicine, after which he completed his residency in family medicine at the Albert Einstein College of Medicine. In May 2000, he became the founding director of Mount Sinai Beth Israel's Continuum Center for Health and Healing, an integrative medicine practice which shut down in the fall of 2016. In March 2016, he was named as the founding national director of the Coordinating Center for Integrative Health at the Veterans Health Administration.
Kligler has researched the effectiveness of multiple alternative medicine treatments, including yoga and the alkaline diet.