Dr. R. Julian Preston
Dr. R. Julian Preston is recently retired as the associate director for health for the National Health and Environmental Effects Research Laboratory of the Environmental Protection Agency (EPA). He also has served as director of the Environmental Carcinogenesis Division at the EPA and as senior science adviser at the Chemical Industry Institute of Toxicology. He has been employed at the Biology Division of the Oak Ridge National Laboratory and has served as associate director for the Oak Ridge University of Tennessee Graduate School for Biomedical Sciences.
He received his B.A. and M.A. from Peterhouse, Cambridge University, England, in genetics and his Ph.D. from Reading University, England, in radiation genetics.
Dr. Preston's research and current activities have focused on the mechanisms of radiation and chemical carcinogenesis and the approaches for incorporating these types of data into cancer risk assessments. Dr. Preston was chair of Committee 1 of the International Commission on Radiological Protection (ICRP) and a member of the ICRP Main Commission. He is an associate editor of Environmental and Molecular Mutagenesis, Mutation Research, Chemico-Biological Interactions, and Health Physics. Dr. Preston has had more than 200 peer-reviewed papers and chapters published. He has served on the National Research Council's (NRC's) Committee to Assess the Scientific Information for the Radiation Exposure Screening and Education Programme and the Task Group on the Biological Effects of Space Radiation.
Dr. Preston joined the United States delegation to UNSCEAR in 1997 and serves as alternate representative since its 57 th session.