Mike McMahan is the businessperson’s health care pro. A 25-year veteran of the health care industry, he started out on the front lines as an exercise physiologist before taking top positions at St. Francis Regional Medical Center and Allina Health. These days, he oversees a team of experts in health care real estate and facilities at Ryan Cos., and he is a member of the state’s Covid-19 incident response team. What’s more, in 2021, he’ll take over as chairman of the Minnesota Chamber of Commerce.