Mr. Califano is Chairman of the Board and President of The National Center on Addiction and Substance Abuse at Columbia University, a position he has held since 1992. Mr. Califano has served as Adjunct Professor of Public Health at Columbia University's Medical School and School of Public Health since 1992 and is a member of the Institute of Medicine of the National Academy of Sciences. He was senior partner of the Washington, D.C. office of the law firm Dewey Ballantine from 1983 to 1992. Mr. Califano served as the United States Secretary of Health, Education and Welfare from 1977 to 1979, and he served as President Lyndon B. Johnson's Assistant for Domestic Affairs from 1965 to 1969. He is the author of 11 books. Mr. Califano is also a director of Midway Games Inc. and Willis Group Holdings Limited.