Thomas Hadjistavropoulos is Research Chair in Aging and Health, Director of the Centre on Aging and Health and Professor of Psychology, University of Regina, Canada. He is a pioneer in the field of pain assessment with a special emphasis on older adults with severe dementia. His work has focused on development/validation of behavioral observational systems (used worldwide), widely cited clinical consensus guidelines, knowledge translation (e.g., resources for patients, web-based training for clinicians), policy research and the development of advanced technologies to facilitate pain assessment in older adults. His research has been funded through a succession of grants from the Canadian Institutes of Health Research, Saskatchewan Health Research Foundation, Canada Foundation for Innovation, Social Sciences and Humanities Research Council of Canada and AGE WELL Network Centres of Excellence. He has published close to 250 peer reviewed papers and book chapters as well as 7 books.