Gordon Howlett has resigned as a director of Ausron Limited.
AXG Mining Limited has appointed Gordon Sklenka as a director.
Scott Bollington has been appointed company secretary of Biometrics Limited, replacing Katina Gunellas.
Bone Medical Limited has appointed Michael Redman as chief executive officer and as an executive director.
Comet Ridge Limited has appointed Vic Palanyk as general manager.
Dioro Exploration NL has appointed Rhod Grivas as managing director and Clive Donner as a non-executive director.
David Kennedy has resigned as a director of Dragon Mining NL.
Michael Pedley has resigned as a non-executive director of Elixir Petroleum Limited.
John Rawling has been appointed company secretary of Eqitx Limited, replacing Stephen Brown.
Bruno Seneque has been appointed as a director of Fox Resources Limited; Barry Bolitho and Paul Matich have resigned as non-executive directors of the company.
Genesis Biomedical Limited has appointed Adrian Knight and Roger Smith as non-executive directors; Adam Davey has resigned as a non-executive director of the company.
HarvestRoad Limited has appointed John McConnell as non-executive chairman and Stephen Young as a non-executive director; Grame Barty has been appointed as managing director and Mike Malbourne has resigned as a director of the company.
David Mahony has resigned as finance director of Lafayette Mining Limited.
Bernard Kerik has resigned as a director of MedAire Inc.
Medec Limited has appointed Gordon Getley as chairman, replacing Josef Plattner who remains as an executive director and chief executive officer; the company has also appointed Glyn Denison as a non-executive director.
Mokuti Mining Limited has appointed Adrian Larking as a director; James Pratt has resigned as managing director of the company.
OM Holdings Limited has appointed Yeo Wee Kiong as non-executive chairman and Julie Wolseley as a director; Thang Kwek Min and James Pearson have retired as directors.
PCH Group Limited has appointed Wil Cuperus as company secretary following the resignation of Jamie Cullen.
Christopher Middleton has resigned as a director and company secretary of Solco Limited.
Unilife Medical Solutions Limited has appointed Jeff Carter as chief financial officer, replacing David McIntyre.
Samantha Pettemerides has been appointed company secretary of Xceed Biotechnology Limited, replacing Narelle Lloyd.