Michael is known for his seminal contributions to physical human-robot interaction, and was a major figure in opening the gates to allow force-and-motion interaction between robots and humans in medical and industrial applications. As a professor of Mechanical Engineering at Northwestern University, his work formed the scientific core for Mako Surgical (NASDAQ:MAKO). Later he teamed up with Ed Colgate to co-founded Cobotics, Kinea Design, and now Tanvas. Michael is credited with a total of twenty-nine patents issued with several more pending.