Shannon grew up in the mining industry, working at one of the first tenement management agencies in WA. In 2003, he established McMahon Mining Title Services, which has since grown to be a leading land management agency in Australia. With almost two decades of experience in mining, Shannon has considerable knowledge of the industry, and of mining legislation and policy. He provides advice on high-level land management strategy and all aspects of mining title compliance. Shannon has also served as an expert witness in matters before the Mining Warden in Western Australia.
Shannon is passionate about the industry and is a long-time supporter of AMEC, having sat on the Mining Legislation committee, which he now chairs, since 2003 and as Councillor since 2013.