He also played in the Continental Basketball Association (CBA) for the Grand Rapids Hoops and Rockford Lightning.

He was named CBA Rookie of the Year with the Hoops in 1993 and selected to the All-CBA First Team with the Lightning in 1998.

After his retirement from basketball, he acted as an assistant coach for California State University, Stanislaus,[3] and for his alma mater, the UCLA Bruins, In 2003 was named a player scout for the New York Knicks.

[4] During the 2007–08 season he served as Director of West Coast College Scouting for the Seattle SuperSonics.

[8] In June 2014, Clippers coach Doc Rivers was promoted from senior vice president to president of basketball operations, and Madkins was named Director of Scouting as part of Rivers' restructuring.