Marcus joined Clarity as General Manager in November 2008.  He is responsible for the operational management of Clarity Mineral Services and also for Clarity's service companies in Zimbabwe, including Antech Laboratories and Tatanga Civil and Structural Engineering.

Marcus moved to South Africa in 1991 after graduating with a BSc Hons degree in Geology from the University of Exeter, UK and has pursued a varied career in the minerals industry. He also has a B. Com degree from the University of South Africa.

Marcus began his career as a mine geologist at Anglovaal's Loraine Gold Mine. In 1994, he joined AngloGold where he progressed to Geology Manager at Tshepong Mine,  where he was responsible for the evolution of a new predictive ore body model for the developing mine. In 2000, Marcus moved to AngloGold's Corporate Office, where he was involved in various executive support roles including development of exploration strategy.

In 2002, he made a career direction change and joined AngloGold's Corporate Procurement and Supply Chain team where he was instrumental in the introduction of strategic sourcing and supply chain best practices globally within the company.  As Procurement Manager, he managed a team of sourcing specialists for AngloGold's operations in South Africa, Mali, Ghana, Guinea and Tanzania.