Huey T. Chen has been a Professor at the University of Alabama at Birmingham since 2002.  He was born and raised in Taiwan.  Dr. Chen worked at the University of Akron until 1997, when he joined the Center for Disease Control and Prevention (CDC) as the chief of an evaluation branch. Dr. Chen had taken a leadership role in designing and implementing a national evaluation system for assessing the CDC funded HIV prevention programs, which are based in health departments and community organizations.  Dr. Chen has contributed to the development of evaluation theory and methodology, especially in the areas of program theory and theory-driven evaluations. His book, Theory-Driven Evaluations, has been recognized as one of the landmarks in program evaluation.  In 1998 he received the Senior Biomedical Research Service Award from the CDC. He is also the 1993 recipient of the Paul F. Lazarsfeld Award for contributions to Evaluation Theory from the American Evaluation Association.