Jamal Hisham Hashim is a visiting professor of environmental health at the United Nations University-International Institute for Global Health (UNU-IIGH). He is also a director of an environmental consultancy firm specializing in health risk and impact assessment. He was formerly a research fellow at UNU-IIGH and a professor at the National University of Malaysia (UKM). Prof. Jamal obtained his PhD in environmental health from the University of Michigan. He has been teaching, conducting research and consultancy in environmental and occupational health at UKM and UNU for the past 35 years. His research interests are mainly on the health effects of heavy metals, pesticides, solvents, air pollution, risk assessment, and recently, climate change. He has been the principal and co-investigator of 19 research projects, and has over 360 publications and presentations to date, including 87 full articles in refereed and indexed journals. He has been engaged as an environmental health consultant in over 60 local and overseas projects, primarily in the area of environmental health impact and risk assessment. He has also been consulted by the World Health Organization, International Atomic Energy Agency, Risk Science Institute and the Institute of Medicine in the U.S., the governments of Malaysia, Cambodia, Indonesia and Saudi Arabia on various environmental health issues. He is a registered environmental impact assessment consultant with the Department of Environment, Malaysia, a member of the Chartered Institute of Environmental Health in the U.K., an honorary fellow of the Academy of Occupational and Environmental Medicine Malaysia and a council member of the Asia Chapter of the International Society for Environmental Epidemiology.