Dave Jacobs led the US childhood lead poisoning prevention efforts from 1995-2004, when he directed the lead paint and healthy homes office at the U.S. Department of Housing and Urban Development. The rare scientist to work across the housing, health, and environmental fields, Dr. Jacobs helped design, reform and implement evidence-based policies, laws, and regulations that together with mobilized citizens and parents protected millions of children from lead poisoning. Currently Chief Scientist at the National Center for Healthy Housing, he holds appointments in the Schools of Public Health at the University of Illinois Chicago and Johns Hopkins University and has testified before Congress, most recently in August 2021. He is Director of the US Collaborating Center for Healthy Housing Research and Training for the World Health Organization. He has more than a hundred peer-reviewed papers and book chapters. He holds degrees in technology and science policy, environmental health, engineering, and political science and is board certified in occupational health.