Philip Christensen

Aston Resources Investments Pty Ltd. operates as an Australian investment company.

Ecojoule Energy Pty Ltd. provides innovative power management products and software to companies interested in energy quality and reliability for their customers. The private company is based in Meadowbrook, Australia. The Australian company's products include the Ecovar voltage regulator and the Ecostore battery energy storage system. Ecojoule Energy has been involved in various projects, including the installation of cutting-edge technology to improve power supply to the community of Nords Wharf on the shore of Lake Macquarie, and the commissioning of the first of several pole-mounted network support batteries for Sydney Water's urban plunge pop-up swim site. The company has also been represented at international smart grid technologies conferences. The CEO of the company is Mike Wishart.

Dover Castle Metals Pty Ltd. is an Australian private company located in Petford that provides mining exploration services. Philip Christensen is the current CEO of the firm.

Aston Resources Ltd. engages in the coal mining, exploration, and development in Australia. It holds interest in the Maules Creek Project that contains reserves and resources of semisoft coking coal and premium thermal coal located in the Gunnedah Basin of New South Wales. Aston Resources was founded by Nathan Tinkler on January 23, 2008 and is headquartered in Brisbane, Australia.

Herbert Smith Freehills Australia LLP provides legal services. The private company is based in Sydney, AU. and has subsidiaries in France, United States, United Kingdom, United Arab Emirates and Qatar. Justin D'Agostino has been the CEO of the Australian company since 2020.

Part of Whitehaven Coal Ltd., Boardwalk Resources Ltd. owns and operates coal mines. The company is based in Brisbane, Australia. Boardwalk Resources was acquired by Whitehaven Coal Ltd. on May 01, 2012 for $648.87 million.