Ronald C. Kessler (born April 26, 1947) is an American professor at Harvard Medical School.
His research focuses on the precision treatment of mental illness to determine the appropriate intervention for specific patients.
[2] Kessler was a predoctoral Fellow at Health Service Research at Montefiore Hospital in Bronx, New York, from 1972 to 1974.
The NCS was the first nationally representative survey of the prevalence and correlates of psychiatric disorders in the United States.
He also is involved in the design, implementation, and evaluation of the long-term effects of intervention programs for youth with emotional problems.