Dr. Richard Johnson is a Professor in the OHSU-PSU School of Public Health (SPH) at the Oregon Health & Science University (OHSU) in Portland Oregon. Dr. Johnson is also the Director of the Environmental Systems and Human Health Program in the SPH. He received his BS degree in Chemistry from the University of Washington and his MS and PhD degrees from the Oregon Graduate Institute (now part of OHSU). Dr. Johnson has been a faculty member at OHSU since 1985. He teaches in the areas of public health relating to climate change, drinking water availability, chemical and transport and fate in the environment and restoration of sites contaminated by industrial and other sources. His research interests involve forecasting of water quality in rivers to protect drinking water sources, development of diagnostic tool for groundwater restoration, and vulnerability of groundwater sources of drinking water.