Athanas S. Macheyeki is a geologist, currently a Full-Time Commissioner for the Mining Commission in Tanzania and the former CEO of the Tanzania Extractive Industries Transparency Initiative, former Manager of Applied Geology – Geological Survey of Tanzania, former Principal of the Mineral Resources Institute – Dodoma and former Head of Department of Geology – University of Dodoma.

Prior to working for the government of Tanzania, he served as Senior Exploration geologist for Kabanga Nickel Company Ltd, Anglo American Company (Tanzania) and was one of the geologists who explored and evaluated the Buzwagi gold deposit, one of the world-class gold mines.

He is the holder of BSc., MSc., and PhD in Geology and developer of lithogechemical ratios useful for Ni-Cu sulphide exploration, particularly on concealed sulphide ore bodies. He has authored/co-authored over 12 publications, most of which are in peer reviewed journals.

Dalaly P. Kafumu is a Geologist currently a Member of Parliament in Tanzania. A former Commissioner for Minerals in the Governement of Tanzania and Exploration Geologists at the Geological Survey of Tanzania. He is part of the discovery team who discovered several gold and metal deposists in the Tanzanian Lake Victoria goldfields, some of which are today world class mines. He was Part-time Lecturer in geology at the University of Dodoma and environemental geomorphology at the Sokoine University of Agriculture.