Merton College Oxford

Center for Translational Research in Aging and Longevity, Texas A&M University

WNR Distinguished Professor, Animal Science, North Carolina State University

Professor of Animal Science

Professor Biochemistry, University of Western Ontario, London, ON

University of Hohenheim

Huntsman Cancer Institute - University of Utah

Professor of Pediatrics

Professor of Pediatrics, The University of Texas Medical Branch at Galveston

Professor of Bioanalytical Chemistry at University Nice Sophia Antipolis