Professor, University of Alberta

Professor & R. Harold and Patsy Harrison Chair in Poultry Science, University of Georgia

Associate Professor, Department of Food Science, Cornell University

Queen's University

Professor of Pediatrics and Biochemistry, Children's Hospital LA and USC

Senior research scientist

Associate Professor of Animal Welfare & Stress Physiology, University of Missouri

Catedrático de Fisiología.

CHU Sainte-Justine

Assistant Professor, University of Iowa