Appointments

Mike Spreadborough has joined Sandfire Resources as chief operating officer, commencing in August.

NSW coal seam gas explorer Magnum Gas & Power has appointed Thomas Fontaine as non-executive chairman, following the retirement of Edward Ellyard, who has been in the role since end-2011.

Peter Johnston has resigned from his role as a non-executive director of Emeco Holdings, following his appointment as head of global nickel assets for Glencore International, following its merger w

James Mellon has resigned as a non-executive director of Venturex Resources, and Jamie Gibson has accordingly resigned as his alternate director on the board.

Poor health has forced Northern Iron chairman David Griffiths to vacate his seat on the company's board.

Stewart Gallagher has replaced Ben Coetzer as general manager of North West Shelf Gas, the domestic gas marketing agency for the North West Shelf Venture oil & gas joint venture between Woodsid

Lithium miner Galaxy Resources is on the lookout for a new boss, after Iggy Tan announced his resignation last week.

Andrew Forrest has been appointed as chair of the Art Gallery of Western Australia Foundation council.

Rio Tinto has appointed Greg Lilleyman to the newly-created role of head of productivity improvement, from August.

South African gas explorer Sunbird Energy has appointed Nathan Rayner as technical director.

John Williamson and Mark Graber have been appointed to head the newly-established Business Network International Team WA.

Alan Coles has resigned as managing director of Eastern Goldfields minerals explorer Terrain Minerals.

Tony Leibowitz has been appointed as non-executive chairman of Pilbara Minerals, after joining the board as a non-executive director lastmonth.

Mining services firm Allmine Group has elected Robert Wilde to chair its board of directors.Mr Wilde joined Allmine as an executive director in October 2010.

Three directors of takeover target Firestone Energy have resigned, leading to the withdrawal of a shareholder meeting requisition by bidder Waterberg Coal Company.

Matthew O'Shea has been appointed as a consultant for the WA business unit of JMJ Associates.

Sophie Doyle has been promoted to account manager in the corporate and consumer division of Professional Public Relations.Ms Doyle joined PPR as a senior consultant last year.

Ivan Armeli has joined Allion Legal's litigation and dispute resolution team as a senior associate.

The Federation of WA Police & Community Youth Centres has appointed John Gillespie as chief executive officer, taking over from acting CEO Paul Ferguson.

KordaMentha managing partner WA Cliff Rocke has been appointed chairman of the Insolvency Practitioners Association of Australia, WA division.

Scott Bird has joined WA consultancy 360 Environmental as principal scientist and director.

Grange Resources managing director Richard Mehan has stepped down, following the company's decision to close its Perth office and move administrative operations to Tasmania, where its mining operat

Transport and infrastructure company Aurizon (formerly QR National) has appointed Kellie Benda as vice president mergers and acquisitions.

Ames Associates principal Colin Stonehouse has been appointed as Enerji's managing director, following the resignation of Greg Pennefather.

Fortescue Metals Group has appointed Sharon Warburton as a non-executive director, from November, following the retirement of Geoff Brayshaw (pictured), who joined the WA iron ore miner in 2007.

Paul Downie has rejoined public relations firm FTI Consulting as senior managing director after taking time away to pursue personal interests.

Ezeatm has terminated the contract of chief executive officer and co-founder Todd Zani.His brother and co-founder Chad Zani remains an executive director.

Wesfarmers subsidiary Coles has appointed Cathi Scarce as its WA state manager, to replace Mark Armitage who has held the position at the supermarket giant for two years.

Tony Brun has taken up the role of executive general manager integrated planning at Perth Airport. He was previously chief executive officer of the City of Greater Geraldton.

David Capper has been appointed as CBH Group general manager operations, from 1 July.

Don Voelte has been appointed as chief executive officer of Seven Group Holdings, the Sydney-based investment group that holds a 38% stake in Seven West Media, and owns industrial equipme

Engineering contractor Decmil Australia has appointed Jonathan Holmes as executive general manager, as current managing director Ray Sputore prepares to exit the business.