Michael is a serial entrepreneur, founding eight medical products companies, one agricultural company, and one musical products company. Prior to that he taught and performed research at the University of Minnesota Medical School, the College of Engineering Sciences, and the Carlson School of Management. Professor Hoey also taught in the School of Biological Sciences at Hamline University in St. Paul, Minnesota. Michael was also Executive Chairman of a financial institution that he directed from $150M to more than $2.5B. Michael is a prolific inventor with over 200 patents granted and/or applied for. Collectively, the start-up medical companies he has been involved in raised $400 million of capital. Four of those companies combined have harvested greater than $1.5B and two more are commercializing product. He also harvested the musical company, and the agricultural company is in commercialization.