Professor, Biochemistry Interdisciplinary Graduate Program, Molecular and Cellular Biochemistry Department, College of Arts and Sciences, Indiana University Bloomington
Adjunct Professor, Department of Biochemistry & Molecular Biology, College of Medicine, University of Oklahoma Health Sciences Center, University of Oklahoma (past)
Associate Professor, Department of Biochemistry & Molecular Biology, College of Medicine, University of Oklahoma Health Sciences Center, University of Oklahoma (past)
Associate Professor, Graduate College, University of Oklahoma Health Sciences Center, University of Oklahoma (past)
Professor, Biotechnology Program, Molecular and Cellular Biochemistry Department, College of Arts and Sciences, Indiana University Bloomington