 He has served in various positions under Governors of Oklahoma Frank Keating (R), Brad Henry (D), and Mary Fallin (R).Cline resigned his position after financial mismanagement was discovered within the Oklahoma State Department of Health.Cline previously served as the administrator of the federal Substance Abuse and Mental Health Services Administration, an agency within the Health and Human Services Department (HHS) from December 2006 through August 2008.