Professor Igor Mekjavic is a scientific counsellor and research director of the research programme group on Automation, Robotics and Biocybernetics at the Jožef Stefan Institute in Slovenia. The main focus of his research has been the effects of thermal and non-thermal factors on human temperature regulation and the influence of gravitational loading on cardiovascular and thermoregulatory function. He participates in clinical research projects investigating the aetiology of non-freezing cold injury and the potential benefit of hyperbaric oxygen therapy in the treatment of freezing cold injury. Prof. Mekjavic is a member of the European Space Agency Bed Rest Steering Committee, and a member of the ESA Topical Team on Lunar Habitat Simulations. He is currently also an adjunct professor at Simon Fraser University in Canada.