Michael Johnson is the Technical Director for the Berkeley Air Monitoring Group. Michael has contributed to the development of several methodologies used for quantifying climate and health impacts of household energy programs. He is currently leading a project with the World Bank to review and implement results-based-finance methodologies. He is also coordinating the exposure monitoring effort for the Household Air Pollution Intervention trial (HAPIN), a multicounty study to characterize the health impacts of transitioning from traditional biomass fuels to cleaner gas stoves. His work includes over 40 publications on household energy, climate, and air quality impacts, and he has led efforts to establish stove performance targets provided by the World Health Organization and the International Organization for Standardization. Michael has a Ph.D. in Environmental Health, Science, & Policy from the University of California, Irvine, and a B.A. in Physics from Colorado College.