Arun Kumar Sharma is a Professor in the Department of Community Medicine and Head of the Department of Bio-statistics and Medical Informatics at the University College of Medical Sciences, India. He has done his MBBS from University of Calcutta and MD and DNBE in community medicine from Banaras Hindu University, in addition to having done fellowships with the University of Illinois, Urbana-Champain (USA),University of Pennsylvania (USA), and the Johns Hopkins Bloomberg School of Public Health (USA). Prof Sharma's research work studies the impact of pollutants on the respiratory health of urban populations as well as the impact of HIV and diabetes. Radha Goyal is the Deputy Director of the Indian Pollution Control Association (IPCA), where she is responsible for all research and development related activities and projects of IPCA in area of air and waste management. Dr Goyal is in charge of the Air Quality Management Services (AQMS) division of IPCA, specifically working on indoor air quality, in addition to being a principal investigator for a number of projects mapping air quality in Delhi NCR and assessing its impact. She has done her PhD from the Department of Civil Engineering, Indian Institute of Technology Delhi. Richie Mittal is the Managing Director of OverDrive Engineering Private Limited, which specialized in energy efficient design and engineering of air conditioning and cooling systems for enclosed facilities. He has served on the Board of Directors of the Indoor Air Quality Association (USA), and is a member of many professional societies and associations.