1. Division of Genetic and Molecular Toxicology; National Center for Toxicological Research, US FDA; Jefferson Arkansas
2. Toxicology and Environmental Research and Consulting, Dow Chemical Company; Midland Michigan
3. Toxicology and Environmental Research and Consulting, Dow Europe GmbH; Horgen Switzerland
4. Environmental Health; Toxicology Excellence for Risk Assessment; Cincinnati Ohio
5. Independent Consultant; Chapel Hill North Carolina