Professor Cleland is Professor of Process Engineering in the School of Engineering and Advanced Technology at Massey University, New Zealand. His research interests are industrial refrigeration, heat pumping, energy efficiency and food processing. He is theme leader of Materials, Manufacturing and Design for the Science for Technological Innovation National Science Challenge. He is an Honorary Member of the Australian Institute of Refrigeration, Air-Conditioning and Heating and the Science and Technology Council of the International Institute of Refrigeration, and a Fellow of the American Society of Heating, Refrigerating & Air-Conditioning Engineers, the Institution of Professional Engineers of NZ, the Institute of Refrigerating, Heating and Air-Conditioning Engineers of NZ and the NZ Institute of Food Science and Technology. He is a Board member of the MacDiarmid Institute, the NZ Robotics Charitable Trust and the Manawatu Cricket Association.