Graham Williamson is General Counsel to Labourers’ International Union of North America, Local 183. Local 183 represents more than 70,000 members and is the largest construction local union in North America. Graham provides general and strategic advice to the Union, and represents the Union and its members in collective bargaining, arbitration hearings, and proceedings before the Ontario Labour Relations Board and in the Courts.

Prior to joining Local 183 Graham was a partner in a Toronto labour law firm. Graham has extensive experience representing public and private sector unions in complex labour litigation and is recognized by the Law Society as a Certified Specialist in Labour Law.