POSEIDON Nickel Ltd has appointed David Singleton and Geoff Brayshaw as directors of the company. Mr Singleton has been the company’s chief executive officer since July 2007, and was previously chief executive at Clough Ltd, Alenia Marconi Systems and BAE Systems. Mr Brayshaw is currently director of Fortescue Metals Group Ltd and Forton Insurance Group Ltd, and was formerly an audit partner at BDO Kendals and national president of the Institute of Chartered Accountants of Australia.