Board of Directors

Board of Directors

Leigh Curyer

Chairman of the Board

Mr. Curyer has over 20 years experience in the resources and corporate sector. Mr. Curyer is the current President & Chief Executive Officer of NexGen Energy Ltd. and was previously the Chief Financial Officer and head of corporate development of Southern Cross Resources (now Uranium One). In addition, for three years Mr. Curyer was Head of Corporate Development for Accord Nuclear Resource Management assessing uranium projects worldwide for First Reserve Corporation, a global energy -- focused private equity and infrastructure investment firm.

Mr. Curyer's uranium project assessment experience has been focused on assets located in Canada, Australia, USA, Africa, Central Asia and Europe, incorporating operating mines, advanced development projects and exploration prospects. While Chief Financial Officer of Southern Cross Resources (now Uranium One), Mr. Curyer managed the exploration, permitting and feasibility study of the Honeymoon Uranium Project in South Australia, ensuring full compliance with NI43-101 reporting.

Mr Curyer has raised over $500 million of equity in North America, US, Europe and Australia.

Mr. Curyer is a member of the Institute of Chartered Accountants Australia.

Tim Gabruch

President, CEO and Director

Tim brings over 25 years of experience in the uranium mining and nuclear energy industries. Most recently, Tim was Vice President Commercial with Denison Mines Corp (“Denison”) where he led the company’s commercial function in support of development of its flagship Wheeler River uranium project. He also acted as Chief Commercial Officer of Uranium Participation Corporation during this period. Previously, Tim spent more than 20 years with Cameco Corporation ("Cameco") in various marketing and corporate development roles, having served as Vice President Marketing, from 2011 to 2017. During that period, he led a diverse corporate marketing team tasked with delivering more than 30 million pounds of uranium annually and contributed to key management decisions as a member of Cameco’s executive management committee. Prior to that, Tim worked in several senior roles at Cameco including Director, Corporate Development in which he led various acquisitions and international investment opportunities. Additionally, he held several uranium marketing and trading roles, where over several years he dealt directly with most of the world’s nuclear power utilities. Tim also worked with the World Nuclear Association's predecessor organization, the Uranium Institute, on secondment from Cameco. Tim currently serves on the board of TAM International, a leading global transporter of radioactive materials and is a past board member of Saskatchewan Trade and Export Partnership (STEP), a joint government/private non-profit organization that champions the province's export industry.

Christopher McFadden


Mr. McFadden is a lawyer with 21 years' experience in exploration and mining and is currently the President & Chief Executive Officer of NxGold Ltd., the Chairman of NexGen Energy Ltd. and a Director of IsoEnergy Ltd. Mr. McFadden was previously Manager, Business Development at Newcrest Mining Limited, and before that was Head of Commercial, Strategy and Corporate Development for Tigers Realm Coal Limited, which is listed on the Australian Stock Exchange. Additionally, he was General Manager, Business Development of Tigers Realm Minerals Pty Ltd.

Prior to commencing with the Tigers Realm Group in 2010, Mr. McFadden was a Commercial General Manager with Rio Tinto's exploration division with responsibility for gaining entry into new projects through negotiation with government or joint venture partners, or through acquisition. Mr. McFadden has extensive international experience in managing large and complex transactions and has a broad knowledge of all aspects of project evaluation and negotiation in challenging and varied environments. Mr. McFadden holds a combined law/commerce degree from Melbourne University and an MBA from Monash University.

Peter Netupsky


Mr. Netupsky has 18 years of experience in accounting, finance, strategy, capital markets and banking. He currently serves as the Vice President of Corporate Development for Agnico Eagle Mines Limited. Prior to joining Agnico Eagle Mr. Netupsky held progressively senior roles in Investment Banking with TD Securities focused on M&A and financings in the global resources sector. Mr. Netupsky began his professional career as a staff accountant with Ernst & Young.

Mr. Netupsky is a Chartered Professional Accountant (CPA, CA) and CFA® Charterholder and has completed obtained the ICD.D designation from the Institute of Corporate Directors. Mr. Netupsky was commissioned as an officer in the Canadian Armed Forces (Reserve). Mr. Netupsky holds a Bachelor of Commerce (Honours) degree (Queen's University).

Richard Patricio


Richard Patricio is currently a Director of NexGen Energy Ltd. and is the President and Chief Executive Officer of Mega Uranium Ltd. (since February 2015), having been its Executive Vice President since 2005. Until recently, Mr. Patricio was also the Chief Executive Officer of Pinetree Capital Ltd. (a TSX-listed investment company specializing in early stage resource investments).

Mr. Patricio previously worked as in-house General Counsel for a senior TSX-listed manufacturing company. Prior to that, Mr. Patricio practiced law at Osler LLP in Toronto where he focused on mergers and acquisitions, securities law and general corporate transactions. Mr. Patricio has built a number of mining companies with global operations and has held senior officer and director positions in several companies listed on stock exchanges in Toronto, Australia, London and New York. Mr. Patricio received his law degree from Osgoode Hall and was called to the Ontario bar in 2000.

Trevor J. Thiele


Mr. Thiele has over 30 years experience in senior finance roles in medium to large Australian ASX listed companies. He has been Chief Financial Officer for companies involved in the Agribusiness sector (Elders and Viterra) and the Biotechnology sector (Bionomics). In these roles he combined his technical accounting and financial skills with commercial expertise thereby substantially contributing to the growth of each of these businesses. During this time, he was actively involved in IPO's, capital raisings, corporate restructures, mergers and acquisitions, refinancing and joint ventures.

Mr. Thiele is currently a Director of NexGen Energy and non-executive director of a number of non-listed Australian entities, including the role of Chairman of the board for two of these entities.

Mr. Thiele holds a Bachelor of Arts in Accountancy from the University of South Australia and he is a member of the Institute of Chartered Accountants in Australia.

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