6. Wally Blume founded Denali Flavors, an ice cream company at 54
Wally Blume worked in the dairy industry for 35 years before starting his own business. In 1989, he founded Denali Flavors at 54 years old by using up all his savings. The company creates specialty ice cream for smaller dairies around the country.
According to Michigan Live, Denali Flavors makes $50 million in sales each year.