Stefan Jensen graduated in 1978 in Denmark with a Bachelor of Science degree in Mechanical Engineering. His professional career commenced in 1978 with Danfoss, Denmark followed by two years at SABROE Refrigeration A/S, Denmark as a Project Engineer. In 1983, he joined Wildridge & Sinclair, Brisbane, Australia as Technical Manager, Industrial Refrigeration. He later became co-inventor of the Rotadisk flake ice maker. In 1988 he joined the food machinery manufacturer Heat and Control Pty. Ltd. and was in 1992 appointed General Manager of the Heat and Control refrigeration division. In April 1996 Stefan Jensen co-founded Scantec Refrigeration Technologies Pty. Ltd. He currently holds the position of managing director. Stefan is a Fellow of AIRAH and an Engineers Australia Fellow. He is a Registered Professional Engineer in Queensland and registered on the National Engineering Register. He has authored over 40 technical papers for AIRAH, IIR and IIAR conferences. Stefan Jensen is a member of the Board of Directors of the International Institute of Ammonia Refrigeration (IIAR) in Washington, USA and a member of the Board of Directors of the Australian Institute of Refrigeration Air Conditioning and Heating (AIRAH). Stefan served as a member of the scientific committee for the 8th International Ammonia and CO2 Refrigeration Technologies conference held in Ohrid, North Macedonia in April, 2019.