Dr. Clark, MD, JD, MPH is currently the Dean’s Executive Professor of Public Health at Santa Clara University in Santa Clara, California. He is formerly the Director of the Center for Substance Abuse Treatment, Substance Abuse and Mental Health Services Administration, U.S. Department of Health and Human Service, where he led the agency’s national effort to provide effective and accessible treatment to all Americans with addictive disorders. Dr. Clark was also the former chief of the Associated Substance Abuse Programs at the U.S. Department of Veterans Affairs Medical Center in San Francisco, California and a former associate clinical professor, Department of Psychiatry, University of California at San Francisco (UCSF). Dr. Clark served as a senior program consultant to the Robert Wood Johnson, Substance Abuse Policy Program, a co-investigator on a number of the National Institute on Drug Abuse-funded research grants. He worked for Senator Edward Kennedy as a health counsel on the US Senate Committee of Labor and Human Resources.
He has received numerous awards for his contributions to the field of substance abuse treatment, including: the 2015 James Ralph Memorial Award for Outstanding Public Service from the Black Psychiatrist of America, An 2015 Annual Award, American Society of Addiction Medicine, a 2013 Friend of the Field Award from AATOD, a 2013 Life Time Achievement Award, American Public Health Association, ATOD section, the 2013 Public Policy Award, American Society of Addiction Medicine, the 2011Gold Key Award, National Council on Alcoholism and Drug Dependence, a 2008 President Rank of Distinguished Executive Award and a 2003 President Rank of Meritorious Executive Award in the Senior Executive Service. He was awarded the 2008 John P. McGovern Award from the American Society of Addiction Medicine for his contributions toward increased understanding of the relationship between addiction and society. Other awards include the U.S. Department of Health and Human Services Secretary’s Award for Distinguished Service; Vernelle Fox Award from the California Society of Addiction Medicine for excellence in Addiction Medicine, Education and Public Service, 2000.