Igor B. Mekjavic is Professor of Environmental Physiology, and scientific counsellor in the Department of Automation, Biocybernetics and Robotics at the Jozef Stefan Institute, Ljubljana, Slovenia. He graduated from the faculty of Electrical Engineering, Salford University (UK) where he also pursued his MSc studies in Underwater Technology. He completed his doctoral studies on human temperature regulation in the School of Kinesiology, Simon Fraser University, British Columbia, (Canada), and his post-doctoral studies in the (then) Department of Aviation and Naval Medicine at the Karolinska Institutet (Sweden). He has served in various academic positions in the School of Kinesiology, Simon Fraser University (Canada), the Department of Sport and Exercise Science, University of Portsmouth, Faculty of Medicine, University of Ljubljana (Slovenia) and the International Postgraduate School Jozef Stefan (Slovenia). He is currently also Adjunct Professor in the Department of Biomedical Physiology and Kinesiology at Simon Fraser University in British Columbia, Canada. He conducts research on the effects of different environmental stressors on human health and performance: bed-rest simulated microgravity, cold and hot exposure, hypoxic acclimatization protocols, diving physiology.