Michael A. Klapper MD is an American physician, author, and advocate for veganism and animal rights. Klaper graduated from the University of Illinois College of Medicine in 1972 and served his medical internship at Vancouver General Hospital with the University of British Columbia. He also studied obstetrics at the University of California, San Francisco. He has practised medicine for over 40 years and is a leading educator in applied plant-based nutrition and integrative medicine. Klaper maintained a medical practice in Maui, Hawaii between 1995 and 2006, and in Whangarei, New Zealand between 2006 and 2009. In 2009, he relocated to Northern California, where he is a medical consultant at the TrueNorth Health Center in Santa Rosa.