Professor Julien Périard is Deputy Director of the University of Canberra Research Institute for Sport and Exercise, and leads the Environmental Physiology research theme. He is also an Adjunct Senior Lecturer at the University of Sydney and former Research Scientist and Head of Research Operations for the Athlete Health and Performance Research Centre at Aspetar. His scientific expertise lies in the area of environmental physiology with his research examining the mechanisms that mediate health and performance in adverse environments (i.e. heat and altitude). He has worked with both amateur and professional athletes from various disciplines, along with National and International Federations (e.g. FFR, IAAF, ITF and UCI). He has authored over 85 research publications and book chapters, including a textbook on Heat Stress in Sport and Exercise. He has presented at more than 60 international conferences, including 12 as a keynote presenter. Julien is an Associate Editor for Front Physiol and has served as Guest Editor for the Br J Sports Med and Scan J Sci Med Sport.