Joiner started his comedy career after performing in a talent show at his church in Valparaiso, IN in 1991. This led to Joiner performing at churches all across the nation, and then later on at comedy clubs, colleges, and corporate events. In the early 1990s, Joiner began working as an actor at the community theater in Valparaiso. In early 2000 Michael moved his family to Hollywood, CA where he studied with Kevin Spaceys acting coach, John Swanbeck. He signed with Beverly Hills, CA agent William Kerwin in 2003 and soon after began receiving television commercial and film roles. In 2008 he moved his family back to Kansas City, MO. In 2013 he started his own film company Esther Pictures.