Bobby Lake-Thom (Medicine Grizzly Bear) was a traditional native healer and spiritual teacher who was trained by 16 distinct tribes' medicine men and women. Hundreds of people from all walks of life heard him speak, attended workshops, and were treated by him. He also worked as a Native American Studies professor at Humboldt State University and as an Indian affairs specialist for a number of American Indian tribes and organizations. He was a Californian.