Dr. David Jacobs is the Chief Scientist at the National Center for Healthy Housing. He also serves as Director of the U.S. Collaborating Center for Research and Training on Housing Related Disease and Injury for the Pan American Health Organization/World Health Organization (PAHO WHO), an adjunct associate professor at the University of Illinois at Chicago School of Public Health, and as a faculty associate at the Johns Hopkins Bloomberg School of Public Health. He is one of the nation’s foremost authorities on childhood lead poisoning prevention and was principal author of both the President’s Task Force Report on the subject in 2000 and the Healthy Homes Report to Congress in 1999. He has testified before Congress and other legislative bodies and has authored or coauthored many peer-reviewed publications. Dr. Jacobs is the former director of the Office of Lead Hazard Control and Healthy Homes at the U.S. Department of Housing and Urban Development, where he was responsible for program evaluations, grants, contracts, public education, enforcement, regulation, and policy related to lead and healthy homes. His current work includes research on asthma, international healthy housing guidelines, lead poisoning prevention, and green sustainable building design. Dr. Jacobs is a Certified Industrial Hygienist® and holds degrees in political science, environmental health, technology, and science policy as well as a doctorate in environmental engineering.