Keith is a director of Lifezone and its licensee companies Kelltech and KTSA, a chair of Colomi Singapore Limited and a director of Cornish Lithium Limited and Keshel Consult Limited. In 2001, he established Mineral Securities Ltd (Minsec), a resource investment company, through which he invested in the Company in 2003. As an investor and executive chairman of Sally Malay Mining Ltd (now Panoramic Resources Ltd), he was involved in the funding and development of the Savannah nickel mine and the acquisition of the Lanfranchi nickel mine, both in Western Australia. Prior to this, he joined Aquarius Platinum in 1996, becoming Managing Director in 1998, where he conceived and designed the Kroondal Platinum mine, which embodied novel mining, processing and management methods.