Leslie is one of the original developers and designers for the RAIS and EPA web-based tools spanning chemical and radiological risk issues. Leslie has an MS in Statistics from the University of Tennessee and has been involved with many projects through her tenure at both the University of Tennessee and ORNL. She has over 30 years of experience supporting the US Environmental Protection Agency, the US Department of Energy, the US Department of Defense, the National Institutes of Health, the Centers for Disease Control, among others, in the areas of human-health and ecological risk assessment, remediation, human and mammalian genetics, and dose response.