Operational Management


Rob Gregory B.Eng (Mining Engineering) 

Chief Operating Officer

Rob Gregory was appointed Chief Operating Officer on 1 July 2016.

A qualified mining engineer with over 30 years’ in the mining industry, Rob has significant experience in operating mines in both general managerial capacities and also as a managing director. He has extensive international experience including Indonesia, the Philippines, China and Papua New Guinea.

Prior to joining Sumatra Copper & Gold, Rob was Chief Operating Officer at Medusa’s Philippines operations where he was instrumental in increasing underground productivity. Rob brings a structured and disciplined approach having worked in large operations such as Medusa’s Co-O mine, the Porgera gold mine in PNG (currently owned and operated by Barrick Gold Corporation) and the Granny Smith gold mine (currently owned and operated by Goldfields). Rob’s expertise covers both underground and open pit mining as well as multiple commodities including gold, copper, nickel and coal.

Rob holds a Bachelor of Engineering (Mining) Honors from the University of NSW.


Ali Ahmid

Manager Environment and Community Relations BTEC (Chemistry), M.EnvMgm

Ali Ahmid was appointed General Manager Environment and Community Relations in January 2013 and is responsible for local and regional Government liaison, environmental compliance, liaison and communication with communities.

Ali has more than 20 years' experience in the mining industry and previously 15 years at Kelian Gold Mine in Kalimantan with Rio Tinto.