The geographical representation is two from the NCR and three from the Ontario side, but then it's through the normal appointments process where people can apply if they are interested and feel they can contribute to the mandate of the NCC, and then there's obviously a selection made to ensure there are people from different regions of the country—so not all from Alberta per se. It's not that I have anything against Alberta, but there's something to make sure there's east, west, and the north as well.
Evidence of meeting #41 for Transport, Infrastructure and Communities in the 40th Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was ncc.
A recording is available from Parliament.