Director Profiles
Dr Denis Clarke BSc, BA, PhD, FAIMM (Non-Executive Chairman)
Denis Clarke has more than 30 years experience in exploration and mining operations. Over 15 years with Plutonic Resources, he contributed significantly at the General Manager level to its success as it developed from a small explorer in 1983 to one of Australia's largest gold miners prior to its take-over in 1998 in a transaction which valued Plutonic at $1 billion. Dr. Clarke at various times managed the exploration, finance, administration and corporate divisions. He brings to the Board broad technical, financial, administrative and corporate experience and a wide range of industry contacts. Dr Clarke holds the following listed company directorships:
- Troy Resources NL
- Beaconsfield Gold NL
- Anglo Australian Resources NL
Dr Chris Ringrose BSc, Phd, MBA, MAIMM, MAICD (Managing Director)
Chris Ringrose has been an exploration geologist based mainly in Western Australia since he completed his geology degrees in Scotland in 1982. His career has included experience with EZ, Chevron and Aztec and, prior to joining Cullen, Chris was Exploration Manager with Troy Resources NL. for nine years. Chris has also completed an MBA at Deakin University and brings to the Company significant management, exploration and project evaluation experience gained both in Australia and overseas.
Grahame Hamilton BSc, MSc, MAIG (Non-Executive Director)
Grahame Hamilton has extensive experience over 30 years in exploration, corporate and project management. He has wide ranging expertise in project evaluation. Between 1994 and 1996 he managed the Brocks Creek exploration, environmental impact statement, feasibility study, mine development and construction for Solomon Pacific Resources NL. Before Solomon, Grahame worked with Getty Oil Development Co.- minerals division as Queensland Manager.
John Horsburgh BSc, MSc, FAIMM (Non-Executive Director)
John Horsburgh, a graduate of the Royal School of Mines, has over 32 years industry experience including 11 years with Solomon Pacific Resources NL. Prior to this he gained extensive experience in Australia and overseas with Getty Oil Development Co., Billiton and RTZ Group. He is chairman of AIM-listed Mariana Resources NL.
Wayne John Kernaghan BBus, ACA, FAICD, ACIS (Non-Executive Director and Company Secretary)
Wayne Kernaghan is a member of the Institute of Chartered Accountants in Australia with a number of years experience in various areas of the mining industry. He is also a Fellow of the Australian Institute of Company Directors. Mr. Kernaghan currently holds the following listed company directorships:
- Gulf Resources Limited
- ETT Limited
















