Management Team


Mr. Goranson, through his 30+ year career, has taken the initial work in the field of in-situ recovery (ISR) technology and elevated commercial uranium production to a large scale. He is an experienced executive with an impressive history in the uranium extraction industry, including building, renovating and operating a number of ISR facilities in the United States, including our Alta Mesa and Rosita ISR projects. Most recently, Mr. Goranson was the Chief Operating Officer for Energy Fuels Resources (USA) Inc., where he was responsible for the operations of the company’s conventional and in-situ recovery uranium projects, including Nichols Ranch and Alta Mesa ISR Projects. Mr. Goranson served as President, Chief Operating Officer and Director for Uranerz, where he was responsible for commissioning, operating and expanding the Nichols Ranch ISR Uranium Project. Mr. Goranson was President, Cameco Resources, the company that operated Cameco, Inc.’s U.S. ISR operations. Also, Mr. Goranson was Vice President of Mesteña Uranium LLC, where he led the construction, startup and operation of the Alta Mesa project which achieved over one million pounds of uranium production per year. His responsibilities included marketing uranium,  negotiating long-term uranium supply contracts and spot uranium sales with nuclear utilities . In addition to his experience with conventional and ISR uranium production, Mr. Goranson has extensive experience in uranium markets, Federal and State regulatory affairs and government policy.

Mr. Goranson has recently served as the President of the Uranium Producers of America, and as the President of the Wyoming Mining Association. He has served in leadership positions within the National Mining Association, Texas Mining and Reclamation Association, and the Nuclear Energy Institute. He currently serves on the Board of Brush Country Groundwater Conservation District located in South Texas. Mr. Goranson is a registered Professional Engineer in the State of Texas, and he holds a Master of Science in Environmental Engineering and a Bachelor of Science in Natural Gas Engineering from Texas A&M University-Kingsville and Texas A& I University, respectively.

Chief Operating Officer

Mr. Luthiger brings over 35 years of in-situ recovery (ISR) and conventional uranium production, processing, exploration, radiation safety, and environmental management experience within the uranium fuel cycle. Recently serving as the Director of Texas Operations for Energy Fuels Inc., he managed the Alta Mesa ISR Uranium Project. While working for Energy Fuels, Mr. Luthiger was responsible for the standby operations of the 1.5 mm pound U3O8 per year capacity ISR production center. Mr. Luthiger served as the Vice President of Mesteña Uranium LLC, a private company that owned the Alta Mesa ISR Uranium Project, that, at its peak operation, employed a workforce of over 100 direct and contractor employees. Prior to that, Mr. Luthiger worked for BHP Billiton PLC/Rio Algom Mining LLC, in Grants, New Mexico where he was the Manager, Regulatory Compliance and Licensing. Mr. Luthiger has a degree in Geological Engineering from the Mackay School of Mines, University of Nevada, Reno and is the Chair of the Texas Mining and Reclamation Association.

Chief Administrative Officer and General Counsel

Mr. Zerzan has held senior leadership positions in both the government and the private sector. During his career in public service, he has held several prominent roles, most recently as Principal Deputy Solicitor of the United States Department of the Interior. In this position, Mr. Zerzan directed legal efforts in areas including energy development, access to public lands, environmental reform, and tribal relations. Previously, Mr. Zerzan was appointed Deputy Assistant Secretary of the United States Treasury and has also served as counsel to three different Congressional committees. In the private sector, Mr. Zerzan has been Counsel and Head of Global Public Policy for the International Swaps and Derivatives Association, Director at Koch Companies, and a shareholder in the law firm Jordan Ramis PC. Mr. Zerzan has served as a Senior Fellow at the University of Melbourne, Australia School of Law and frequently speaks at conferences, trade associations and on television regarding matters of law and regulatory policy. Mr. Zerzan holds a B.A. from Willamette University and a J.D. from Willamette University College of Law

Chief Technical Officer

Dr. Stover, a co-inventor of in-situ recovery (ISR) technology that enCore uses exclusively in our processing plants, also holds numerous patents related to ISR applications. He is a leading expert in in-situ metal recovery, with dozens of relevant technical publications. Dr. Stover commenced his work in ISR technology in Texas in the 1960s and now bears witness to the application of the technology, resulting in over 60% of worldwide uranium production.

Dr. Stover has a 40-year career focused on direct involvement with commercial uranium exploration, project development, and mining operations. Until his retirement in 2011, Dr. Stover previously served as Chief Executive Officer of enCore Energy; and before that as Executive Vice President, Americas for Uranium One, Inc. where he oversaw commercial development of Uranium One’s substantial U.S. uranium assets as well other uranium assets in the Americas. Previous to this position, he served as Chief Operating Office for Energy Metals Corporation (EMC) and was instrumental in advancing its US assets prior to its sale to Uranium One, Inc. Dr. Stover holds BSE, MSE, and PhD degrees in Chemical Engineering from The University of Michigan as well as a BA in Chemistry from Kalamazoo College. He has co-authored three IAEA Guidebooks and Manuals related to both Acidic and Alkaline Uranium ISR technology and is the author of six United States Patents concerning various aspect of in-situ recovery of uranium and reservoir restoration. Dr. Stover is a member of numerous professional societies.


Ms. Mierkey is a Certified Public Accountant with over 15 years of experience in finance for both private and public companies. She has spent most of her career working in various financial roles at Energy Fuels, Inc. and Cameco Resources (Cameco, Inc.’s U.S. uranium operations). She has experience in operational and production financial reporting and accounting, as well as U.S. GAAP and tax reporting. She also has experience in managing the financial aspects of mergers and acquisitions. Ms. Mierkey comes to the Company from Motion & Flow Control Products, Inc. where she recently served as Corporate Controller.

Director of Technical Services

Mr. McCoig began his career in 2004 as the Plant Engineer for Uranium Resources Inc. (URI) at the Kingsville Dome ISR Uranium Central Processing Plant (CPP) in South Texas, now owned by enCore Energy. As URI’s Plant Superintendent, Senior Engineer, Manager of Operations and Vice President, Operations, Mr. McCoig worked on URI’s South Texas and New Mexico projects. He was involved in all aspects of the uranium extraction process, including design, construction, operations and reclamation.  Mr. McCoig oversaw the startup of the Rosita CPP (now owned by enCore Energy), the Kingsville CPP and the Vasquez project. He most recently served as Vice President of Operations during the construction of a graphite facility in Alabama before returning to the uranium extraction industry. Mr. McCoig has a BSc in engineering from the Colorado School of Mines and is a licensed professional engineer in the state of Texas.

Manager, Geology and Exploration

Dr. Seeley brings over 35 years of professional expertise in geological sciences, including geologic and geophysical exploration, remote sensing, geoinformatics, natural resources and environmental management, consulting, and academics.

Prior to his current role with enCore Energy, Dr. Seeley’s past uranium experience included positions as Texas Exploration Manager/GIS Manager/Senior Geologist for Cameco Resources, Inc. in Casper, Wyoming from 2011 to 2013 and Regional Exploration Geologist/GIS Manager for URI, Inc., in Corpus Christi, Texas from 2006 to 2009. He has over 25 years of independent geologic and geophysical consulting experience, including previous uranium consulting for Mesteña Uranium in Corpus Christi, TX (2009-2011), Uranium Energy Corp in Corpus Christi, Texas (2010), and Cameco Resources, Inc. in Casper, Wyoming (2010-2011). Dr. Seeley served as Assistant Professor of Geosciences at Midwestern State University in Wichita Falls, Texas from 2005 to 2006, and was Adjunct Professor of Geosciences at Northwest Vista College in San Antonio from 2017 to 2018. Dr. Seeley’s previous experience also includes environmental management, primarily with environmental soil and groundwater assessment and remediation. He has served in various environmental roles from Staff/Associate Geologist to Project Manager, and most recently as Branch Manager, San Antonio Regional Office for eTech Environmental, Inc. (Midland, Texas) from 2018 to 2021.

Dr. Seeley is a Certified Professional Geologist and Licensed Professional Geoscientist in Texas and serves as Qualified Person (QP) as defined under National Instrument 43-101 standards for enCore.

Dr. Seeley holds a Ph.D. degree in Geology and Geophysics from The University of Texas at El Paso, El Paso, Texas, and both M.Sc. and B.Sc. degrees in Geology from Texas A&I University in Kingsville, Texas.