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Sarah J. Ryker, Ph.D.

In this capacity, Sarah oversees USGS science, supply chain analysis, and mapping of energy and mineral resources.  This body of USGS science includes resources’ full life cycles from occurrence to supply, demand, extraction, and trade; economic and environmental effects of resource extraction and disposal; and mine waste and energy waste as a resource.

Dr. Ryker is the USGS Associate Director for Energy and Mineral Resources.  As part of her USGS responsibilities, she co-chairs the National Science and Technology Council's interagency Critical Minerals Subcommittee coordinating body and is a member of the USE IT Act-directed Carbon Capture, Utilization and Sequestration Non-Federal Lands Permitting Task Force federal advisory committee.  Prior to this role, she served as the Acting Deputy Assistant Secretary for Water and Science in the Department of the Interior, and held leadership roles in USGS science and policy for water, climate, and Earth observations.  Her additional professional experience includes roles with the White House Office of Science and Technology Policy and Council on Environmental Quality, and an assignment at the U.S. Agency for International Development as Director for North Africa and Arabian Affairs.  Her Ph.D. from Carnegie Mellon University’s Department of Engineering and Public Policy was supported by a National Science Foundation Graduate Research Fellowship.