Theophilus Clavell Davies received his B.Sc. (Geology and Chemistry) at the University of Sierra Leone before moving over to the University of Wales, Great Britain, where he completed both his M.Sc. (Geochemistry) and Ph.D. (Applied Geochemistry) degrees. He is a research professor (Environmental and Medical Geology), a chartered geologist, and an environmental consultant, currently based at the Mangosuthu University of Technology in South Africa. Formerly Council Member and Trustee of the Geological Society of London (1996–2000), he is presently a regional councillor for Africa of the Association of Applied Geochemists (AAG), former member of the Supervisory Board of the International Medical Geology Association (IMGA), Member of the Scientific Committee of the UNESCO International Centre for Global-Scale Geochemistry (ICGG) and Former Member of the IUGS Commission on Geosciences for Environmental Management (GEM).