Alastair J. Sinclair obtained his B.A.Sc. and M.A.Sc. degrees in geological engineering from the University of Toronto (1957 and 1958) and a Ph.D. in Economic Geology from the University of British Columbia (1964). From 1962 to 1964 he taught in the Dept. of Geology, University of Washington, Seattle; and from 1964 to 1998 taught at the University of British Columbia.
In addition to teaching at UBC he was Head of the Department of Geological Sciences (1985-1990) and Director of Geological Engineering (1991-1998). He is presently Professor Emeritus in geological engineering at the University of British Columbia. For many years he taught courses in Economic Geology, Mineral Inventory Estimation and Mineralography and Ore Microscopy. His research activities have focused on Mineral Exploration Data Analysis, Resource Estimation of Mineral Deposits and Quality Control Aspects of Resource Evaluation.
He has presented a wide range of short courses for mining companies and professional organizations and has consulted widely for the international mining industry; he continues to be active in these fields.