Dr. Jahangeer K. Abdul Halim graduated from College of Engineering Trivandrum (University of Kerala, India) with a First Class degree in Mechanical Engineering in 1991. Thereafter, he worked for about 5 years as an Air-conditioning Design Engineer in United Arab Emirates. From1996 to 1999, he worked as a Project Engineer with Schindler Lifts (S) Pte Ltd. He graduated with a Master of Science (M.Sc.) in Mechanical Engineering from National University of Singapore in 1998. He was awarded a Research Scholarship by the National University of Singapore (NUS) in 1999 to undertake a research project on solar energy and was awarded a Master of Engineering (M.Eng.) degree in 2002. After completing his M.Eng. degree, he continued with research and teaching at NUS and his research on evaporativelycooled condensers of air-conditioning systems led to the award of a PhD. degree in 2013. Dr. Jahangeer’s areas of specialization include: evaporative cooling of air-conditioners, solar thermal systems, heat pump systems, building energy simulation and energy optimization. He has also authored chapters in a number of technical books and research papers in international peer-reviewed journals. He is an SCEM (Singapore Certified Energy Manager). He is also a member of Institute of Engineers Singapore (IES) and American Society of Heating, Refrigerating Engineers (ASHRAE) since 1999.