Diana DiNitto is Cullen Trust Centennial Professor in Alcohol Studies and Education and a University Distinguised Teaching Professor. She came to the School of Social Work at The University of Texas at Austin after serving on the faculty of the Florida State University School of Social Work. She also worked for Aplachee Community Mental Health Services, Tallahassee, Florida, in its detoxification, halfway house and outpatient programs for individuals with alcohol and drug problems. She is the author of "Social Welfare: Politics and Public Policy" (5th ed., 2000, Allyn and Bacon), the co-author of "Chemical Dependency: A Systems Approach " (2nd ed., 1998, Allyn and Bacon) and "Social Work: Issues and Opportunities in a Challenging Profession " (2nd ed., 1997, Allyn and Bacon). She has written many articles and book chapters on related topics. She currently serves on the Encyclopedia Update Committee of the National Association of Social Workers, the Commission on Educational Policy of the Council on Social Work Education and the Board of Directors of the Texas Research Society on Alcoholism.