The investigators and their designated area of expertise (designated by NIEHS) are:
| Larry Anderson, Ph.D., Staff Scientist—Group Manager, Battelle Pacific Northwest National Laboratories (in vivo cancer studies) |
| Gregory Blumenthal, Ph.D., Research Fellow, NIEHS Laboratory of Computational Biology and Risk Analysis (in vivo noncancer studies: neuroendocrine) |
| Joseph Bowman, Ph.D., National Institute of Occupational Safety and Health (epidemiologic studies on occupational exposure) |
| Elisabeth Cardis, Ph.D., International Agency for Research on Cancer (epidemiologic residential adult studies) |
| Charles Graham, Ph.D., Senior Advisor for Life Sciences, Midwest Research Institute (clinical human laboratory studies) |
| Richard Luben, Ph.D., University of California at Riverside (in vitro studies, excluding differentiation) |
| Kenneth McLeod, Ph.D., Associate Professor, SUNY at Stony Brook, Musculo-Skeletal Research Lab (in vitro studies: cell differentiation) |
| Mat-Olof Mattsson, Ph.D., Associate Professor, Dept. of Cellular and Developmental Biology, Umea University, Sweden (molecular biology studies) |
| James Morris, Ph.D., Staff Scientist, Battelle Pacific Northwest National Laboratories (in vivo noncancer studies: immunotoxicity, hematology, reproduction and development) |
| Charles Polk, Ph.D., Professor Emeritus, Dept. of Electrical and Computer Engineering, University of Rhode Island (theoretical mechanistic studies) |
| Walter Rogers, Ph.D., Associate Professor of Environmental Science, University of Texas School of Public Health (in vivo noncancer studies: neurobiologoy and neurobehavior) |
| Claire Sherman, Ph.D., Radiation Effects Research Foundation (epidemiologic residential childhood studies) |
| Michael Yost, Ph.D., University of Washington (exposure characterization studies) |