Gordon H. Leaman, P.Eng., is a Senior Materials Engineer and Principal with Stantec Consulting Ltd., Dartmouth, Nova Scotia. Gordon has managed one of the largest private concrete testing and research laboratories in Eastern Canada and provides consulting services to a wide variety of clients in various sectors including other offices of Stantec in Canada and the United States. He has been involved in numerous laboratory and field investigations on alkali aggregate reactivity, concrete durability, and high performance concrete including Confederation Bridge, Hibernia GBS, and Hebron GBS. For over 15 years Gordon volunteered as the chair of the Plant Certification and Technical Committee for the Atlantic Concrete Association. He is past president and board member of ACI International Atlantic Chapter as well as the Design and Construction Institute of Nova Scotia. Gordon is co-vice chair of the technical committee for CSA Standards A23.1 and A23.2, and chair for CSA A283, Qualification code for concrete testing laboratories, whose publication is sponsored by CCIL. He also represents the consulting community on Nova Scotia Department of Public Works’ technical committee on concrete. Gordon joined the CCIL board in 2012; becoming President in 2015.