MS and PhD from Goethe University Frankfurt/Germany in Microbiology. Postdoctoral education at Stanford University, faculty positions at University of Texas Southwestern Medical Center, Emory University, University of North Texas Health Science Center and Tarrant County College. Over 70 peer-reviewed publications, textbook co-authorships, grants from National Cancer Institute, National Institute for Environmental Health, Fogarty International Center and Cancer Prevention and Research Institute of Texas.