Lesley Hay Wilson, Ph.D. has over 25 years of experience in the environmental field. She is a Principal in Sage Risk Solutions, LLC and currently serves as the Program Advisor for the Interstate Technology and Regulatory Council (ITRC) Per- and Polyfluoroalkyl Substances (PFAS) Team. Prior to Sage, Lesley Hay Wilson worked for BP as a corrective action project manager and team leader overseeing the technical and financial aspects of petroleum products corrective action projects. She holds a B.S. in Chemical Engineering, from Northwestern University, and an M.S.E. and Ph.D. in Civil Engineering, from The University of Texas at Austin.