Randall Ryti is a Senior Scientist with Neptune and Company, Inc. in Los Alamos, New Mexico. Randall was one of the founding partners of Neptune in 1992 and has worked on basic and applied environmental problems, including ecological and human health risk assessment support to the Los Alamos National Laboratory, the Hanford Site, and other clients. These risk assessment projects have addressed environmental contamination including soil, sediment, and groundwater over large spatial scales with multiple stressors, large and complex databases, and significant involvement of regulators, natural resource trustees, and the public. Randall has also assisted in the planning, decision logic, and statistical design of environmental data collection activities for Environmental Restoration sites at Department of Energy facilities (Hanford, Los Alamos, and Savannah River), Department of Navy Base Realignment and Closure facilities in California, and EPA-led Superfund sites. Randall earned a bachelor's degree in biology from University of California Los Angeles and a Ph.D. in biology from University of California San Diego. Randall is certified as a Senior Ecologist by the Ecological Society of America.