William W. “Bill” Edgerton

William W. “Bill” Edgerton, P.E. is a Principal with the firm of McMillen Jacobs Associates, headquartered in San Francisco, California. From 1999 through 2011 he served as President, directing strategic planning, business development and administration, while acting as the Principal-in-Charge and working in a technical capacity on various underground projects. From 2009 through 2016 he served as the Manager of Tunneling for DC Water’s $2.6 billion Clean Rivers Project in Washington, DC, and from 2017 through early 2019 he was the Construction Manager for Metro’s construction management consultant on the $1.4 billion Purple Line Extension, Segment 2, design-build subway tunnel in Los Angeles. From 2013 through 2015 he served as the Chair of the Executive Committee for the Underground Construction Association, a division of SME; and was on the SME Board from 2015 to 2018. For the past 17 years he has served as an ASCE program evaluator for civil and construction engineering programs on behalf of the Accreditation Board for Engineering and Technology (ABET). He previously served on the board of directors of the Dispute Resolution Board Foundation. In 2002 he was recognized by the AUA as the Outstanding Individual in the Underground Industry at the North American Tunneling Conference. In 2008, he edited Recommended Contract Practices for Underground Construction as published by SME, and has authored numerous technical articles on procurement practices. In 2010 he received the Outstanding Achievement Award from Tufts University, and in 2012 received the Golden Beaver Award for Engineering. He is a member of the Moles, and in 2015 he was inducted into the National Academy of Construction. He holds a BS in Civil Engineering from Tufts University, an MBA in Procurement and Contracting from George Washington University, and holds PE licenses in seven states.


John L. Uhrie

Dr. John L. Uhrie, P.E., Ph.D., is currently Vice President, Exploration and Development for the Doe Run Company and has 20 years of experience with major mining companies including the Doe Run Company, Phelps Dodge, Freeport McMoRan and Newmont as well as five years consulting with RPM Global. He has operated mines on three continents and is highly experienced in operations, operations management, project development, engineering, and startups of copper, gold and lead projects. He is highly experienced in all aspects of owner’s side project engineering as both the process manager and project manager for prefeasibility through detailed engineering activities and is a recognized technical expert in sulfide processing of copper, heap bio-leaching, pressure oxidation, and SXEW. Dr. Uhrie has authored 20 technical publications and one book, holds two U.S. Patents, is a Registered PE (Mining and Minerals Processing), and is a Qualified Professional through the MMSA. Dr. Uhrie is fluent in English and Spanish.


Anne L. Williamson

Anne Williamson is an extractive resources professional with over 30 years’ experience in environmental management, project development, public affairs, and risk. Ms. Williamson is currently Principal Scientist and Mountain Region Oil & Gas Sector Leader for Wood, one of the world’s largest engineering and consulting firms. Previously, she was Vice President of Environment & Sustainability at Twin Metals Minnesota and has held senior positions at multi-national consulting engineering firms, and mining corporate management and operations. Ms. Williamson has served as a Director or Board Advisor to several mining trade and advocacy organizations. A 36-year member of SME, Ms. Williamson currently chairs the Government and Public Affairs Committee. She has served as Annual Conference & Expo Program Chair, Environmental Division Chair, and Morenci Section Chair. She was awarded the 2016 Environmental Division Distinguished Service Award and is a member of the inaugural 1998 class of SME Young Leaders. Ms. Williamson holds a B.S. in geology from the University of Minnesota -Duluth and an M.S. in geology from New Mexico State University.