• Blackham Resources
Great Central Gold head Joseph Gutnick has been appointed as non-executive chairman.
• Chalice Gold Mines
Former Mirabela Nickel vice-president - business development and chief development officer, Bill Bent, has been appointed as managing director, following the resignation of Doug Jones, who remains on the board as technical director.
• Global Strategic Metals
Talison Lithium director David Shaw has been appointed as a non-executive director.
• Kairiki Energy
Peter Cockcroft has been appointed as executive chairman, and Robert Downey and Stephen Harrison have joined as non-executive directors, following the resignations of Mark Fenton and Duncan Maclean.
• Orbital Corporation
Company secretary Ian Veitch has been promoted to chief financial officer, following the resignation of Keith Halliwell.
• Sprint Energy
Advanced Capital Partners CEO Ken Chad has been appointed as a non-executive director, following the resignation of Jon Roestenburg, who continues as a technical consultant.
• United Orogen
Maxim Carling and Michael Tilley have been appointed as directors, and Mark Ohlsson as a director, company secretary and public officer, following the resignations of Zhukov Pervan, David Zohar, John Wyatt and Shoshanna Zohar.