Dillon graduated from Detroit Catholic Central High School in 1980, where he participated in the cross-country team.
Dillon ran a law practice in Wayne County before becoming president of DSC Ltd. in 1995, and also served as a District Court magistrate and an aide to former U.S.
He was re-elected in 2006, and his Democratic colleagues chose him to be the 70th Speaker of the Michigan House after securing the majority from the Republicans.
On October 11, 2013, Dillon resigned, citing his desire to protect his family from media attention and scrutiny related to his divorce proceedings.
[3] He became a temporary senior adviser to his successor, R. Kevin Clinton, and continued to receive the same salary he had as treasurer, $174,204 annually.