Brian Marshall became the employer representative in the production and maintenance sector on the Commission Board of Directors in 2014. He is currently the General Manager of the Colonsay Mine for The Mosaic Company. He was previously the Director of Asset Strategies and Engineering in Esterhazy, and the Director of Maintenance. Brian has previously worked in mines across Canada, including the EKATI Diamond Mine in Yellowknife.

Brian holds a Bachelor of Engineering from Lakehead University, a Diploma of Electronic Engineering Technology, and a Diploma of Heavy Equipment Repair. He is also a member of the Energy Task Force for the Mining Association of Canada.