Phil Hagerman helped transform a corner drug store into a $4.4 billion company. To create a headquarters for the company, he transformed one of automotive history’s most significant sites. Now, inspired by the change he has seen in downtown Detroit, he wants to transform downtown Flint.

Hagerman and his father, Dale, founded Diplomat Pharmacy (NYSE: DPLO) in 1975. Today, the company supplies rare and expensive drugs and support services to patients with cancer and immunological disorders in every state in the country and employs about 3,000 in 17 facilities in 14 states, including 1,200 at its Genesee County headquarters a few miles south of downtown Flint.

To Read More: Check Out This Crain’s Detroit Article