1. Editor-in-Chief, Applied In Vitro Toxicology. Founder and CEO of IONTOX, LLC.
2. Consulting Editor, Applied In Vitro Toxicology.
3. ILS/National Toxicology Program Interagency Center for Evaluation of Alternative Toxicological Methods (NICEATM).
4. Center for Alternatives to Animal Testing (CAAT Europe).
5. Institute for Chemical Safety Sciences.
6. The Hamner Institutes for Health Sciences, Research Triangle Park, North Carolina.