By the time Hans Sollinger helped launch a company for the first time, in 2004, he had performed hundreds of pancreas transplants. In the process, he had built a reputation as a prolific surgeon whose experience few of his peers could match.

Sollinger, who practices at the University of Wisconsin Hospital and Clinics, also known as UW Health, said that the high demand for his services over the years made his first foray into entrepreneurship somewhat jarring. Read the full story here.