Marc Zimmerman is a professor of Spanish at the University of Houston.
Debra J. Holden received a B.A. in Psychology from the University of North Carolina @ Chapel Hill, an M.S. in Community Psychology from North Carolina State University and a Ph.D. in Community Psychology from North Carolina State University. She has worked for 19 years in a variety of settings to implement and evaluate health programs including those at the national, state and local levels.