Matthews will join Matilda on May 14 and lead the development of its Keysbrook project in Western Australia.

Kay Priestly has been appointed as Robert Friedland’s replacement at Ivanhoe Mines.

Priestly, a Rio Tinto senior executive, had been acting as CEO since Friedland’s resignation which came after Rio took control of the company.

Another Rio executive, Chris Bateman, has been appointed as chief financial officer of Ivanhoe.

Minemakers has appointed former FerrAus CEO Cliff Lawrenson as its new MD and CEO, subject to shareholder approval.

Greg Bromley has resigned as MD of Mindax, ending a stand-off between directors.

Director Andrew Tsang had requisitioned a meeting to remove the board and appoint John Stacpoole as a director.

As part of the resolution of the stoush, Stacpoole has been appointed to the board.

Geologist Dick Keevers has been appointed as chairman of ActiveEX, while former chairman Ian Daymond will continue as a director.

Peninsula Energy has appointed engineer Glenn Black as chief operating officer, who will be based in South Africa.

Meanwhile, junior gold producer Lachlan Star has appointed engineer Bira De Oliveira as COO.

Barry Eldridge will step down as non-executive chairman of Mundo Minerals, to be replaced by Christopher Chalwell.

Hampton Hill Mining has restructured its board following a review of its assets and financial position.

Neil Tomkinson has resigned as chairman but will remain as a director, while Joshua Pitt has been appointed as executive chairman.

Wilson Forte’s position as MD and head of exploration has been made redundant but he has been appointed as a non-executive director.

Bin Cai has been appointed as a director of Orion Metals, representing major shareholder Conglin International Investment Group.

Brett Young has resigned as a director of Australian Mines after seven years with the company.

Karen Field has resigned from the board of MACA.

Peter Lee has replaced Craig Michael as a director on the boards of Top End Uranium and Quantum Resources.

Mungana Goldmines has appointed Justin Jian Yi Wu to its board as a representative of major shareholder Guangdong Guangxin Holdings Group.

Gryphon Minerals has appointed general counsel Alex Eastwood as company secretary, allowing Timothy Holt to focus on his role as CFO and Brett Dunnachie to pursue other interests.

Finally, Michael Andruszkiw has resigned as joint company secretary of Apex Minerals.