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About Us

Board of Directors

  • Thomas Ullrich.

    Thomas Ullrich

    Chief Executive Officer, Director

    Mr. Ullrich has over 30 years of experience in mineral exploration and geoscience. Before joining Aston Bay in 2016, Mr. Ullrich was Chief Geologist North America for Antofagasta Minerals plc, investigating the region’s copper potential through extensive property evaluations and management of drill programs in the United States, Mexico and Canada. Prior to that, he was Senior Geologist for Almaden Minerals, where he managed the drill program for the team’s discovery of the Ixtaca Ag-Au deposit in Mexico. Mr. Ullrich also established the Ar-Ar geochronology lab at the University of British Columbia and studied the Candelaria Cu-Au mine, Chile, while at Queen’s University. Mr. Ullrich is an independent director for Aurania Resource Ltd. and is also on the Technical Advisory Board for American West Metals Limited.

  • Jessie Liu-Ernsting

    Director

    Ms. Liu-Ernsting has 20 years of experience in the mining industry, spanning capital projects engineering, debt capital markets, private equity and corporate strategy. She is currently VP, Investor Relations and Communications of G Mining Ventures Corp (TSX: GMIN). Previously, she held progressively senior roles in Corporate Development at Canada Nickel Company and Hudbay Minerals, responsible for formulating and executing on corporate strategy. Ms. Liu-Ernsting previously spent over five years at Resource Capital Funds, sourcing, evaluating, structuring, executing, and managing investments, gaining expertise in a wide range of commodities and mining services. Before RCF, she provided debt financing solutions in CIBC’s mining corporate credit group. Before CIBC, Ms. Liu-Ernsting’s experience at Hatch and Golder spanned all levels of mining and mineral processing operations design around the world and the development of mining innovation R&D projects. Jessie is currently a director of the Prospectors & Developers Association of Canada (PDAC) and FireFly Metals Ltd (ASX: FFM). Ms. Liu-Ernsting holds an MBA from the Schulich School of Business with specialisations in Mining, Finance and Strategy, and an Electrical Engineering degree from Queen’s University.

  • Jeff Wilson

    Director

    Jeffrey R. Wilson has over 25 years experience in the mining industry, having served as a director, officer and advisor of multiple public and private companies in the mineral exploration and mining investment industries. Mr. Wilson is currently President & CEO of Precipitate Gold Corp. Mr. Wilson began his career in the early 1990’s a Corporate Communications Manager and eventual Director of Welcome Opportunities Ltd. (which was bought out by Endeavour Mining Capital in 2002) and Aquiline Resources Ltd. (which was bought out by Pan American Silver in 2009). In 2005, Mr. Wilson was involved in the formation of Silver Quest Resources Ltd., which was bought out in 2012 by New Gold Inc. Mr. Wilson brings a wealth of contacts throughout the investment community including institutional investors, retail brokers, investment bankers, mining analysts and private investors.

  • Mark Pryor

    Director

    Mark J. Pryor is a geologist with a 40-year track record of successfully advancing multiple precious metal, copper, coal, REE and Li projects from discovery through to exploitation. He is currently Executive Vice President of the Exploration Division at The Electrum Group, based in Denver. Mr. Pryor has worked for majors (Anglo American, Placer Dome, Antofagasta) as well as various private and public companies in the Americas, Africa, FSU and Asia. He is the former CEO of Montero Mining & Exploration, COO of Edenville Energy and has held various senior and VP Exploration positions with companies such as Laurentian, Candente, Monarch Resources, Viceroy, Minefinders, Renholm and Amlib/Avesoro. Mark has headed multi-disciplinary teams in the discoveries of the following projects that have been mined, in operation and or at feasibility including: Svengali (Au – Anglo American/Cluff Minerals), Rodeo (Au – Monarch/Golden Minerals Corp.), San Sebastian (Ag/Au – Monarch/Hecla Mining Corp.), San Agustin (Au – Monarch/Argonaut Gold Inc.), El Compas (Ag – Monarch/Endeavour Silver), San Julian (Au/Ag – Monarch/Fresnillo plc.), La Pitarilla (Ag/Au – Monarch/Endeavour Silver), Canaima (Au – Monarch Resources/Hecla Mining.), Bochinche (Au – Monarch Resources), Kokoya (Au – Avesoro), Mkomolo/Namwele (Coal – Edenville Energy) and the Celaya Project (Ag/Au – Electrum). Mr. Pryor graduated from Aberdeen University in 1981 with a degree in Geology & Mineralogy and is a Fellow of the Geological Society, Fellow of the Society of Economic Geologist, a member of the Institute of Directors and QP under the South African Council for Natural Scientific Professions.

  • Ryan VanEngen, MSc.

    Director

    Ryan VanEngen is a senior environmental executive and mining professional with over 20 years of experience navigating regulatory compliance, environmental permitting, and ESG strategy across Canada. He brings deep specialized expertise in northern jurisdictions, particularly Nunavut, where he has a proven track record of de‑risking district‑scale mineral exploration and mining projects. As the Founder and CEO of Sustainable Solutions Consulting Group (2SG Inc.), Mr. VanEngen provides strategic regulatory guidance to junior exploration companies and major producers, including ATHA Energy Corp., Centerra Gold and Agnico Eagle Mines. His deep understanding of the Nunavut Impact Review Board (NIRB), territorial regulatory frameworks, and community engagement makes him an expert at moving northern assets through baseline studies into successful project permitting.

    Previously, Mr. VanEngen spent 12 years at Agnico Eagle Mines, serving as Environmental Permitting Lead and Environmental Superintendent. In these roles, he successfully managed the licensing, community consultation, and permitting for major assets such as the Whale Tail Pit Project, Meadowbank Mine permitting and the Meliadine Mine, while overseeing multi‑million‑dollar budgets and supporting Inuit Impact Benefit Agreements (IIBAs). He is also a part‑time professor of Environmental Management in Mining (Min 330H) at the University of Toronto in the Department of Civil and Mineral Engineering. Mr. VanEngen holds a Master of Science in Aquatic Toxicology and a Bachelor of Science from the University of Guelph. His combined expertise in High Arctic operations, Indigenous relations, and regulatory risk mitigation provides strong strategic governance for companies advancing critical mineral assets in northern Canada.

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