About Poseidon Nickel Limited is based in Perth, Western Australia. Poseidon is a mineral exploration company, which is listed on the Australian Securities Exchange (ASX) and holds exploration interest in nickel. About Poseidon Information on Poseidon Nickel's history and company overview. Company OverviewHistory Messages Messages from our Chairman and Chief Executive Officer. David Singleton Andrew Forrest Key Individuals Meet the Poseidon Board of Directors and Management Team. Board of DirectorsManagement Team