Prior to joining Berkeley Energia, he was chief financial officer of Aureus Mining, a gold producer in West Africa, from 2011 to 2016 during which time the company evolved from an explorer to a developer and then to a gold producer. Prior to this, he worked in business development at Kazakhmys and for Ernst & Young in the energy corporate finance team. Mr Thomson is a member of the Institute of Chartered Accountants of Scotland (“ICAS”) and holds a Corporate Finance Advanced Diploma (“ICAEW”).