R. Nicholas Carleton, Ph.D., is a Professor of Clinical Psychology, a registered doctoral clinical psychologist in Saskatchewan, and is currently serving as the Scientific Director for the Canadian Institute for Public Safety Research and Treatment. He has published more than 140 peer-reviewed articles, book chapters, and encyclopaedia entries exploring the fundamental bases of anxiety and related disorders. He has completed more than 360 national and international conference presentations. He serves with several national and international professional associations. He has received several prestigious awards, recognitions, grants, and government contracts. Most recently he has been inducted as a Member of the Royal Society of Canada’s College of New Scholars, Artists and Scientists. Dr. Carleton is actively involved in clinical and experimental research, with his interests including the biopsychosocial measurement, assessment, and treatments of trauma, anxiety, and somatic disorders, focusing on transdiagnostics, fundamental cognitions (i.e., lower-order factors such as intolerance of uncertainty), and shared emergent properties (i.e., higher-order factors such as extraversion). He is currently serving as the principal investigator on the RCMP Longitudinal PTSD Study and co-investigator on the national Internet Cognitive Behavioral Therapy Program for Public Safety Personnel. He enjoys teaching and supervision of undergraduate and graduate students, and maintains a small private practice for military and public safety personnel who have anxiety and related disorders, particularly posttraumatic stress.