Ms. Tohn is an environmental health consultant with over 30 years of experience. She is the founder of Tohn Environmental Strategies and a nationally recognized expert in community based environmental health threats, green and healthy housing, and social determinants of health. She has assisted advocates catalyze policy solutions; developed protocols to incorporate health protections into energy efficiency, renovation, and green building programs; managed environmental health research studies; provided strategic support to community development organizations on health and health equity; and created strategic plans to help hospitals engage community partners and address social determinants of health. Ms. Tohn works with housing developers, property owners and managers, and energy efficiency programs to create green and healthy housing and developed the nationally recognized “One Touch” approach. Ms. Tohn is an Assistant Professor of Practice at the Brown School of Public Health. She received her BA from Cornell University and a Masters in City Planning from the Massachusetts Institute of Technology (MIT).