if you want to 去加拿大F2转F1, then it is getting a visa, and you should return to US with F1 visa to start your F1 status. (should have 90 days limit, so you cannot get it until Oct/Nov, 3 months before Jan school begins )
I think they recruiting deans and chairmen so it is kind of invitation only process. For general professor the process has not began formally yet, at least in my impression