Director, Bioinformatics, ActivX Biosciences, Inc.

Department of Biological Sciences, Columbia University

Professor of Structural Biology and Anticancer Drug Design

Distinguished Professor of Biochemistry, Purdue University, Department of Biochemistry

LLFrye Consulting

Case Western Reserve University & Johns Hopkins University

Professor of Structural Biology, University of Würzburg

Assistant Professor, Department of Chemistry, University of Waterloo

Research Associate Professor, Department of Medicinal Chemistry, University of Florida

Associate Research Fellow