"Director of the Center for Microbial Pathogenesis / Professor"

St. Charles Community College

Georgia State University

St. Mary's College of Maryland

Appalachian State University

University of Maryland, Baltimore

University of Cincinnati

Trinity University

University at Buffalo

University of Utah

Lee College

Virginia Commonwealth University

University of Pennsylvania

Virginia Commonwealth University

Harper College

University Of Georgia

Virginia Commonwealth University

University of Oklahoma

University of Oklahoma

University of Oklahoma

Purdue University