Dr. Stuart T. Arm is a senior technical advisor who returned to Pacific Northwest National Laboratory (PNNL) in 2019 after 12 years working in industry. Dr. Arm holds a PhD and MEng in chemical engineering from Imperial College, London, and has 30 years' experience in national laboratories and the nuclear industry in the United Kingdom and the United States. He establishes PNNL and DOE strategic plans and objectives for radiochemical process flowsheets and technologies for treating and managing radioactive waste and commercial used nuclear fuel while acknowledging emerging national and international trends. Dr. Arm employs a collaborative and leading approach to technology and flowsheet maturation and integration to establish implementation strategies with multitechnical and organizational elements.

Dr. Hilary P. Emerson's research focuses on the fate and remediation of radionuclides with experimental testing from the laboratory to the field scale. She holds a BS in Environmental Engineering (2009) from the University of Central Florida and a PhD in Environmental Engineering and Earth Science (2014) from Clemson University. Since joining Pacific Northwest National Laboratory in 2019, her work has focused primarily on the development of new remediation technologies for radionuclides and techniques for monitoring remediation technologies.