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Simon Thompson

Rio Tinto appointed Simon Thompson as chairman. Thompson, who joined the Rio Tinto board as a nonexecutive director in 2014, will become chairman on March 5. He succeeds Jan du Plessis who will step down as chairman and from the Rio Tinto board on the same date after serving almost nine years as chairman. From 1995 to 2007, Thompson worked for the Anglo American group, holding a number of senior positions. Thompson has been chairman of 3i Group plc since 2015.

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Mark Barnaba

Fortescue Metals Group Ltd. appointed Mark Barnaba as deputy chair of the board of directors, in addition to his roles as lead independent director and chair, Audit and Risk Management Committee. Barnaba was appointed to the board in February 2010 and as lead independent director in 2014.

Cleveland-Cliffs Inc. announced that P. Kelly Tompkins, executive vice president and COO, will retire December 31. Tompkins assumed his current position in January, after having served as executive vice president and CFO since April 2015.

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Peter Geleta                   Jaco Maritz

Acacia announced that CEO Brad Gordon and CFO Andrew Wray will resign. Concurrently, it appointed Peter Geleta, currently head of organizational effectiveness, as interim CEO. Jaco Maritz, currently general manager, finance, will be appointed CFO. Prior to joining Acacia, Geleta held senior roles at AngloGold Ashanti and Barrick Gold Corp. He joined Acacia in May 2012 as vice president, organizational effectiveness. Maritz was initially employed by Placer Dome, which was acquired by Barrick in 2006, and was part of Acacia at its inception. In 2013, Maritz spent six months acting as CFO for the business, prior to the appointment of Wray. Geleta will also replace Gordon on the board of directors.

TMAC Resources Inc. announced that Dr. Catharine Farrow, CEO, is retiring effective December 31 and as a director. Terry MacGibbon, TMAC’s executive chairman, will assume Dr. Farrow’s responsibilities effective immediately and will work with Dr. Farrow over the forthcoming weeks to ensure an orderly transition.

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Phillip Day

Nevada Copper appointed Phillip Day as vice president, COO. Day is presently head of technical and operations at Pala Investments.

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Mark Hamilton

Northern Dynasty Minerals Ltd.’s subsidiary Pebble Ltd. Partnership hired retired Major General, U.S. Army and President Emeritus of the University of Alaska Mark Hamilton to serve as its executive vice president of external affairs.

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Carlos Alberto Silva Ramos

Santacruz Silver Mining Ltd. appointed Carlos Alberto Silva Ramos COO. Most recently, Silva was co-founder and CEO of Carrizal Mining S.A. de C.V. He is currently the president of the Mexican Federation for Sustainable Mining. He replaces Dante Rodriguez, who was interim COO for Santacruz. Rodriguez will remain the vice president of exploration.

El Capitan Precious Metals announced that the board of directors has been expanded to include two additional positions and named John Balding and Robert Shirk as new directors. A. Blair Dunn has been named corporate counsel. Dunn replaces Arly Richau, who stepped down from that position in late October. Balding’s career has run the gamut from data processing and military intelligence to commercial lending. Shirk has served as CFO for an Iowa-based real estate organization for more than 40 years. Dunn is a founding partner of Western Agriculture, Resource and Business Advocates.

Condor Gold appointed Jeffrey Karoly as CFO. In 2017, Karoly listed Altus Strategies plc on AIM and is also CFO of Rupert Resources.

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Ryan Weymark

IDM Mining Ltd. promoted Ryan Weymark from project director to vice president, project development. Weymark will be responsible for ongoing pre-development engineering, through potential construction and production at the Red Mountain underground gold project. Weymark joined IDM in 2017 as Red Mountain project director.

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Will Dix

Todd River Resources Ltd. appointed Will Dix as CEO. Dix is currently managing director of Consolidated Zinc Ltd. and will commence in the new role effective February 1. He will take over responsibilities from Technical Director Paul Burton, allowing Burton to focus on his role as managing director of vanadium developer TNG Ltd. Burton will remain on the board as technical director.

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Fabian Baker

Tethyan Resources plc appointed Fabian Baker as president and CEO. Peter Mullens has stepped down as CEO and confirmed his new position as executive director and senior vice president exploration and development. He has been the COO of Tethyan since May 2016. Mullens led the company as its CEO for the last two years.

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Jeffry N. Quinn

Tronox Ltd. appointed Jeffry N. Quinn as president and CEO. Quinn has served as a member of the company’s board of directors since 2011, and will continue in that position. He previously served as chairman and CEO of Solutia Inc. Quinn succeeds Peter Johnston, a member of Tronox’s board of directors, who has held the role of interim CEO since May 15. The board appointed Johnston to that role after Thomas J. Casey announced his retirement as CEO for health reasons. Johnston will remain a member of the company’s board of directors.

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Pamela Saxton

Pershing Gold Corp. appointed Pamela Saxton to its board of directors. She currently serves as vice president and trustee for the Viola Vestal Coulter Foundation, which provides scholarships to various colleges and universities, with a focus on mining. Saxton has held senior executive positions at various mining companies, including Thompson Creek Metals Company Inc., Franco-Nevada Corp., New West Gold Corp., Cyprus Amax Minerals Co. and Amax Gold Inc.

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Jean Lamarre

SEMAFO announced the passing of Jean Lamarre, chairman of the board of directors, on November 22, 2017, following a short illness. Lamarre joined the board of directors in 1997 and was appointed chairman in 2000.

The Weir Group PLC appointed Dr. Jianzhong Lu as Weir Group China president. Dr. Lu joins Weir from the Brunswick, where he was a partner advising Chinese and multinational companies on their China and global strategies.

Stantec announced that executive vice president, Steve Fleck, was promoted to the newly created position of chief practice and project officer, effective January 1. Following a successful tenure leading the firm’s Project Delivery Office, Fleck will manage the strategic positioning, contractual elements, and governance of Stantec’s largest projects while overseeing alternative project delivery for the company. Gord Johnston will assume his new position as president and CEO on January 1.

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Frank Aguilar


Avanti International appointed Frank Aguilar as president, and Angela Magill, widow of Avanti founder David Magill, has been elected director. Aguilar joined the Avanti team in 1999, and has served many roles most recently, vice president of operations.

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Jens Müller

AUMUND Fördertechnik GmbH in Rheinberg has a new managing director, Jens Müller, who is responsible for finance, controlling, IT, HR, general administration, purchasing and production.