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TSX.V:EU | NASDAQ:EU  
enCore EnergyenCore Energy

Management

Management Team

William M. Sheriff, MSc

Executive Chairman & Chief Investment Officer

Robert Willette, MBA, JD

Director & Chief Executive Officer

Kevin Kremke, MBA

Chief Financial Officer

Dain McCoig, PE

Chief Operating Officer

John M. Seeley, PhD, PG, CPG

Vice President, Exploration and Development

Robbie Hudson, JD

General Counsel & Corporate Secretary
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America's Clean Energy Company™
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Legal | Privacy Policy | Terms & Conditions

© 2026 enCore Energy Corp.
Website By Longhouse Branding & Marketing

Legal | Privacy Policy | Terms & Conditions

© 2025 enCore Energy Corp.
Website By Longhouse Branding & Marketing

William M. Sheriff, Msc

Executive Chairman & Chief Investment Officer

William M. Sheriff, Msc

Executive Chairman & Chief Investment Officer 

Mr. Sheriff, as the founder, Chief Investment Officer and Executive Chairman, has advanced the company from inception to a uranium producer with a multi-jurisdictional United States asset base. Mr. Sheriff has raised over $600 MM in the public markets and has extensive experience in mergers and acquisitions.

Mr. Sheriff is an entrepreneur and visionary with over 40 years of experience in the minerals industry and the securities industry and has been responsible for significant capital raises along with corporate development. Mr. Sheriff was a pioneer in the uranium renaissance as co-founder and Chairman of Energy Metals Corp. and was responsible for compiling the largest domestic uranium resource base in U.S. history before the company was sold for $1.8 billion in 2007. With his in-depth understanding of the nuclear industry and market conditions, plus his knowledge of the financial markets, Mr. Sheriff is regarded as a leader and avid supporter of nuclear energy as a clean and reliable energy source for the United States.

Mr. Sheriff also has a significant interest in the gold exploration sector with personal and corporate gold exploration assets across the United States and Canada. He is a Director and co-founder of Group 11 Technologies Inc.; a private company committed to the development and application of environmentally and socially responsible metals mineral extraction as an alternative to conventional mining methods. Mr. Sheriff holds a B.Sc. degree (Geology) from Fort Lewis College, Colorado and an MSc in Mining Geology from the University of Texas-El Paso. He has compiled one of the largest privately-held mining databases in the world, providing enCore with access to proprietary uranium projects.

Robert Willette, MBA, JD

Director & Chief Executive Officer

Robert Willette

Director & Chief Executive Officer
Robert Willette is an experienced executive and board director with more than 20 years of leadership experience across public and private companies spanning the industrial, manufacturing, energy, transportation, and renewables sectors. As Chief Executive Officer and Director, Mr. Willette helps lead the Company’s strategic direction, capital allocation, operational execution, and long-term value creation for shareholders.

Mr. Willette brings deep experience in corporate strategy, mergers and acquisitions, capital markets, governance, and risk oversight, having worked closely with boards, investors, and executive teams through complex transactions, operational transformations, and growth initiatives in both domestic and international markets. His leadership is grounded in disciplined execution, financial rigor, and a strong governance framework.

Prior to becoming CEO, Mr. Willette served in senior executive roles including Chief Legal Officer, Chief Compliance Officer, and Corporate Secretary for multi-billion-dollar publicly traded companies, where he played a key role in strategic planning, investor engagement, and transaction execution.  

Mr. Willette holds a Bachelor of Science degree, a Master of Business Administration, and a Juris Doctor from the University of Kansas.

Kevin Kremke

Chief Financial Officer

Kevin Kremke

Chief Financial Officer

Mr. Kremke is a seasoned finance executive and strategic operator with a proven record of driving growth, transformation, and disciplined financial stewardship across diverse industries. With deep expertise spanning corporate finance, M&A, capital markets, and operational leadership, he brings the rare ability to balance strategic vision with hands-on execution.

Mr. Kremke has held Chief Financial Officer roles in both large publicly traded and private equity companies, where he has guided organizations through periods of rapid expansion, restructuring, and complex capital-raising initiatives. His work includes leading large-scale budgeting and forecasting processes, executing merger and acquisitions transactions, and optimizing capital structures to strengthen shareholder value. Known for his collaborative leadership style, Mr. Kremke partners closely with the C-suite of officers, the Board of Directors, and investors to align financial strategy with long-term business goals. He brings broad experience from the oil and gas, electric power, and energy transition industries.

Mr. Kremke holds an M.B.A. from the University of Chicago Booth School of Business and B.S. from Ball State University.

Dain McCoig, PE

Chief Operating Officer

Dain McCoig, PE

Chief Operating Officer

Mr. McCoig is a seasoned engineering and operations leader with over 18 years of experience in mining, mineral processing, and facility development. As Director of Operations at enCore Energy Corporation, he supported uranium recovery operations across engineering, geology, and regulatory functions—driving performance, cost-efficiency, and providing technical excellence. Serving as Senior Vice President since March 2025, Mr. McCoig demonstrated superior ability to lead the team to effectively and efficiently increase uranium extraction rates at the South Texas operations while expanding his role to oversee project development activities throughout the organization.

Previously, Mr. McCoig served as Vice President of Operations at Alabama Graphite Products, where he led the engineering, construction, and team development for a $200M battery-grade graphite facility. Prior to this, he held several leadership roles at URI, Inc., managing uranium production, site restoration, and early-stage project planning, while coordinating with regulators, landowners, and stakeholders.

A licensed Professional Engineer in Texas and Alabama, Dain holds a B.S. in Engineering from the Colorado School of Mines and is pursuing his MBA at Auburn University. He is actively involved in industry groups including SME and various mining associations.

Dr. John M. Seeley, PhD, PG, CPG

Vice President, Exploration and Development

Dr. John M. Seeley, PhD, PG, CPG

Vice President, Exploration and Development

Dr. Seeley has 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 most recent 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 also 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. Additionally, 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 (CPG) and Licensed Professional Geoscientist in Texas (PG) and serves as Qualified Person (QP) under National Instrument NI 43-101 and Regulation S-K 1300 of the Exchange Act of 1933 for enCore.

Dr. Seeley holds a PhD degree in Geology and Geophysics from The University of Texas at El Paso, El Paso, Texas, and both MSc and BSc degrees in Geology from Texas A&I University in Kingsville, Texas.

Robbie Hudson, JD

General Counsel & Corporate Secretary

Kevin Kremke

Chief Financial Officer

Mr. Hudson joined enCore in October 2025 and has almost 20 years of corporate legal experience, advising companies in matters related to securities, corporate governance, mergers & acquisitions, executive compensation, and human capital management. He previously served as Vice President – Corporate and SEC at Wingstop Inc., Assistant General Counsel – Corporate and Human Resources at Denbury Inc. and began his legal career at Jones Day in Dallas, Texas.

Mr. Hudson holds a Bachelor of Science degree from Texas A&M University and a Juris Doctor degree from Southern Methodist University.

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    • Board of Directors
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    • Governance
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  • Projects
    • South Texas Operations
    • Dewey Burdock Project
    • Gas Hills Project
    • PFN (Prompt Fission Neutron) Technology
    • Other Assets
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    • Investor Kit
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    • Our Industry
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