Lal Jayamahais a mechanical engineer and the director of the PREMAS Energy Centre, in Singapore. He has more than 15 years of industrial and academic experience in energy efficiency. He has been the team leader for energy audits and energy retrofit projects involving office buildings, retail malls, institution buildings, hotels, hospitals and industrial plant. He is a Professional Engineer (PE) and a Chartered Engineer (UK). He is also a member of the Institution of Mechanical Engineers, UK and the American Society for Heating, Refrigerating and Air-conditioning Engineers (ASHRAE). Dr. Jayamaha has published a number of research papers and has been a key speaker at energy efficiency seminars held throughout the world. He has been a guest lecturer at the National University of Singapore for the last seven years.