received his medical degree from the University of Texas Medical Branch at Galveston and is board-certified in internal medicine. Later, he completed the Commonwealth Fund/Harvard University Fellowship in Minority Health Policy and received an M.P.H. degree from the Harvard School of Public Health. Dr. Valdez oversees approximately 1,000 employees and a budget of more than $450 million. His three primary responsibilities are overseeing disease control and prevention, disaster preparedness and response, and the agency’s laboratory services. Previously, Dr. Valadez served as Medical Director and Health Authority for the Austin/Travis County Health and Human Services Department. In the past, he also served as Medical Director of the Martha Eliot Health Center in Jamaica Plain, Massachusetts, and as a primary care provider. Dr. Valadez has served on peer review committees for the Health Resources and Services Administration’s Centers of Excellence grants, as a member of a CDC Expert Panel on Physical Activity and Nutrition and a Special Emphasis Panel on community-based participatory research methodologies, and on numerous professional societies’ advisory committees.


Leticia Van de Putte, R.Ph., is a Senator in the Texas State Senate, currently in her fourth term, after having served as a State Representative for five terms. Senator Van de Putte holds a bachelor’s degree in pharmacy from the University of Texas at Austin. As Senator, she has focused on issues regarding children, veterans, improved access to health care, quality education, and economic development. She has consistently authored and sponsored bills to assist families in securing opportunities, and has also been a key author of legislation reforming the welfare system, revamping the Juvenile Code, and insuring children. In 1993, she was a Kellogg Fellow at the Kennedy School of Government at Harvard University. Senator Van de Putte has received awards from numerous civic organizations and community groups. She has been actively involved in the National Conference of State Legislatures, serving as President from 2006 to 2007. In 2002, she became Chair of the Senate Democratic Caucus. In 2008, she served as Co-Chair of the Democratic National Convention.


Stephen G. West, Ph.D., is Professor in the Department of Psychology at Arizona State University and Visiting Professor, Free University of Berlin, Germany (summer semesters). He received his Ph.D. from the University of Texas at Austin. He is past Editor of Psychological Methods and current Associate Editor of Multivariate Behavioral Research. His quantitative research interests include experimental, quasi-experimental, and longitudinal designs for field research, structural equations modeling, multiple regression analysis, mediational analysis, multilevel analysis, longitudinal data analysis, and graphics and exploratory data analysis. His substantive research interests focus on personality research and prevention-related issues in health, mental health, and substance abuse. He recently completed work on grant-funded projects involving a randomized trial of an intervention for couples at high risk for HIV/AIDS and



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