Appointments

Mamba Minerals has appointed Michael O'Keeffe as chairman, Richard Wright as non-executive director, and Niall Lenahan as director and company secretary of the exploration company.

Managing director Tim Dobson has been made redundant in a company restructure that has redirected all activities to Anova Metals' Perth office and closed its Brisbane office.

Kerry Griffin has resigned as technical director and from the board of iron ore exploration company Haranga Resources after holding the position for two years.

Northern Mining has appointed three non-executive directors – Tony Ong Tiong Seng, Danette Cheung and Andrew Nai.

David Henderson has been promoted from general manager to chief executive officer of water management company Welltech.Julie Bennet has joined as general manager.

Alkane Resources has appointed Nicholas Earner chief operations officer and Tony Wright as commercial manager.Mr Earner was most recently executive general manager at Straits Resources.

Bryant McLarty has resigned as a director and executive chairman of PharmAust.

The Chamber of Minerals and Energy of Western Australia has appointed Julie Hill (pictured) as general manager of corporate services and Anne Dawson as coordinator of events and communication.

Mark Wallace has resigned as chief financial officer of mining and construction contractor NRW Holdings.He had held the position since December 2008.

Long-serving chaiman Peter Diamond has announced his retirement from stockbroking firm Euroz.

Minbos Resources non-executive chairman Peter Richards has resigned from the board of directors.

Fred Clohessy has joined commercial real estate agency Lease Equity as a director responsible for retail leasing.

Mark Calderwood has joined the board of Erongo Energy as technical director, following the completion of its acquisition of his company Ninghan Exploration.

LandCorp chief executive officer Ross Holt will step down from the state government's land and property development agency at the end of the year.

Management consultancy Veev Group has appointed Jarrod Opie as principal consultant.Mr Opie was previously an executive director with the Cloonmore Group.

AusGroup subsidiary AGC Industries has appointed Gerard Hutchinson to the position of executive general manager, group services.

Art Palm has been appointed chief executive officer and executive director operations of Canada-focused coal explorer Jameson Resources.

Mount Magnet South has appointed Alec Pismiris as non-executive chairman, following the resignation of Reginald Gillard from the board.

Rick Hart has resigned as non-executive chairman of Renaissance Minerals.Mr Hart was a founding director of the Cambodian gold explorer.

Commercial real estate agency CBRE has appointed Adam Arden as a director of the capital allowances team in WA.

Former Iluka Resources boss Malcolm Macpherson has joined the board of Base Resources.Mr Macpherson is currently chair of Pluton Resources and a director of Bathurst Resources.

Boutique property developer Match has promoted Dean Burrowes to project director.

Bill Bloking has replaced David Harley (pictured) as managing director of minerals explorer Gunson Resources.

Bauxite Resources non-executive director Robert Nash has been appointed interim chairman, following the retirement of Barry Carbon.

Alex Eastwood has been appointed as a Perth-based partner in the energy, infrastructure and resources practice of law firm K&L Gates.

Gold producer Northern Star Resources has appointed Stuart Tonkin as chief operating officer.

Stephen Milroy has been appointed research manager of Potato Research WA, a new partnership between Murdoch University and the Potato Marketing Corporation to improve the yield and quality of fresh

Neil Warburton has joined Sirius Resources as a non-executive director, replacing Steve Lowe as the board nominee of substantial shareholder and joint venture partner Mark Creasy.

OreCorp non-executive directors Tony Grist and George Bennett have resigned as part of the minerals explorer's effort to focus on cost control.

Intellectual property law firm Wrays has promoted Linda Kennaugh, Albert Ferraloro, Chris Juhasz, Jo Woodfield and Marie Wong to principals in the Perth office.

Lavan Legal has appointed Bronwyn Davies as a corporate partner specialising in mining and resources.Ms Davies was previously a senior consultant at Jackson McDonald.

Aphrodite Gold non-executive chairman Peter Buttigieg has moved into an executive role, while the board has decided to cease the employment of managing director Leon Reisgys, as well as executive d