[1] Isom took a leave of absence as the executive director of the Regional Justice Information Service, most commonly known as REJIS.
in April 2021 due to his appointment as Interim Director of the Public Safety Department - City of St. Louis by Mayor Tishaura Jones.
He previously served as an adjunct professor at Harris Stowe State University and an instructor at St. Louis Community College where he taught criminal justice, criminology, and public safety courses.
[4] In August 2014, he was appointed as Director of the Missouri Department of Public Safety in the Cabinet of Governor Jay Nixon.
[6] Isom was appointed as a commissioner and served as the co-chair of the commission task force on police community relations.