Bruce A. Moyer, Ph.D., has 34 years of experience in R&D on solvent extraction and ion exchange, focusing on metal ion separations for environmental and waste cleanup, nuclear fuel cycles, recovery of critical materials, and national security applications in the USDOE complex. Dr. Moyer leads the Chemical Separations Group of ORNL's (Oak Ridge National Laboratory) Chemical Sciences Division. He is editor of the journal Solvent Extraction and Ion Exchange and has ten patents and more than 180 career publications.