900, North Tower, Sun Life Plaza
140 Fourth Ave SW
Calgary AB T2P 3N3
CANADA
Tel: (403) 294-5500
Fax: (403) 294-5590/5580/5570/5595
Toll Free: 1-877-777-6135
info@sproule.com

Executive

R. Keith MacLeod, B.S. (Hon.), P.Eng.
President
(403) 294-5519  815-5519
keith.macleod@sproule.com

Harry Helwerda, B.Sc., P.Eng.
Executive Vice-President
(403) 294-5513  813-0513
harry.helwerda@sproule.com

John L. Chipperfield, B.Sc. (Hon.), P.Geol.
Senior Vice-President, Geoscience
(403) 294-5540  815-5540
john.chipperfield@sproule.com

Douglas J. Carsted, B.Sc., P.Geol.
Vice-President, Geoscience - International
(403) 294-5512
carstedd@sproule.com

Doug Ho, B.A.Sc., P.Eng.
Vice-President, Engineering
(403) 294-5584
doug.ho@sproule.com

Bob Johnson, B.Sc., P.Eng.
Vice-President, Engineering
(403) 294-5559
bob.johnson@sproule.com

Greg D. Robinson, B.Sc., P.Eng.
Vice-President, Engineering - International
(403) 294-5558
greg.robinson@sproule.com

Ken H. Crowther, B.S. (Hon.), P.Eng.
Past President
(403) 294-5545  815-5545
ken.crowther@sproule.com

Kevin McDonald, C.A.
Controller
(403) 294-5525  604-0588
kevin.mcdonald@sproule.com