APGO Welcomes New Members to its Council

An active Council is integral to APGO’s success as we forge ahead to realize our vision to be the leader of the geoscience professions.  APGO happened as a result of strong leadership, determination, and tireless work. The Association benefits immensely from the collective work of its Council members, both past and present.   

APGO is pleased to announce the new additions to its Council. We welcome Brad Leonard, John Gartner, Rustam Juma and Robert Linnen.  Their addition will further enhance what is already a stellar group of very committed and active professionals.


Brad Leonard, P.Geo.

Lieutenant Governor in Council Member Appointee 2013 - 2019


Brad Leonard has over 30 years’ experience in the mineral exploration industry and government.  He holds a B.Sc. (honours is geoscience) and M.Sc. from the University of Toronto and Laurentian University respectively as well as being a P. Geo.  He is the Exploration Manager for James Bay Resources (JBR) and Castle Resources (CRI). 


Brad Leonard was the Exploration Manager for Northern Gold Mining (NGM) for a brief period.  Prior to joining CRI, JBR and NGM, Brad Leonard was the GIS and then Exploration Manager for the geological consulting group, Caracle Creek International Consultants Inc. (CCIC).  Prior to joining CCIC, Brad Leonard spent 15 years with Ontario’s Ministry of Northern Development and Mines in a variety of positions.



John F. Gartner, DSc, BASc, P.Eng., P.Geo. (Non-practising), FEIC, FGSA, FGAC

Lieutenant Governor in Council Member Appointee 2013 - 2019


A leader in the fields of engineering geology and environmental geology, John Gartner was a co-founder of the highly respected consulting firm, Gartner Lee Limited. His commitment can be seen in his service to his profession at the national and international levels, earning rewards from his peers, as well as lending his knowledge and experience to a number of federal advisory committees. In addition to teaching at the University of Waterloo, he has also served on the Waterloo Advisory Council and on the Queen's University Advisory Council on engineering. In June 2013, John was awarded an Honorary Doctor of Science by the University of Waterloo.


"I am honoured to have been appointed to the Council of APGO, and am impressed by the successes of the APGO in the past and say 'watch out for the future'.”



Rustam Juma

Lieutenant Governor in Council Non-Member Appointee 2013 – 2019


Rustam Juma practices in the areas of corporate, commercial and securities law where he has worked at two large national law firms in Toronto and Calgary, and is currently legal counsel at an international auditing and consultancy firm.


At law school, Rustam studied on exchange in India and was employed during the summer as legal counsel to a mobile phone operator in Afghanistan and the following summer as legal counsel for Kellogg’s in Toronto.


In addition to being a director on the board of the South Asian Bar Association, Rustam is a Vice-Chair of the Aga Khan Youth and Sports Board, a member of the working group of the Ontario Legal Professionals’ Alliance, and a mentor with the Toronto Region Immigrant Employment Council.



Dr. Robert Linnen, Ph. D., P. Geo.

Council of Chairs of Canadian Earth Science Departments (CCCESD)

Robert Linnen completed a B.Sc. at Queen’s University in 1979 and and M.Sc. at McGill in 1985 (Trout Lake porphyry Mo deposit, B.C.).  After obtaining his Ph.D. degree from McGill University in 1992 (Sn-W metallogeny in Thailand) he completed post-doctoral work at CNRS-CRSCM in Orléans, France and at the Bayerisches Geoinstitut, Bayreuth, Germany (experimental solubility of metals in melts). He was an Associate Professor at the Department of Earth and Environmental Sciences at the University of Waterloo from 1997 to 2010.

Since 2010, Robert Linnen has been the Robert Hodder Chair in Economic Geology at the Department of Earth Sciences at Western University and is the Director of Resource Geoscience Western since 2011. His current research involves field and experimental aspects of mineral deposits, particularly precious metals and critical metals in magmatic-hydrothermal systems.

“The University of Western Ontario is committed to providing qualified geoscientists to Ontario.  I am pleased to serve on the APGO council to foster relations between the Association and Ontario Universities”.


To see a complete listing of our current Council Members, please go to www.apgo.net.

Copyright 2013, Association of Professional Geoscientists of Ontario (APGO)