 Prior to that, Cline served as the Commissioner of the Oklahoma Department of Mental Health and Substance Abuse Services as well as Oklahoma Secretary of Health under Governor of Oklahoma Brad Henry.Cline grew up in Ardmore, Oklahoma and attended the University of Oklahoma, where he earned a bachelor's degree in psychology in 1980.He then received both a master's degree and a PhD in clinical psychology from Oklahoma State University, following which he held a six-year appointment as a clinical instructor in the Department of Psychiatry at Harvard Medical School in Boston.