I'm in America, I never know what to call my professors, they're normally PhD/Masters candidates. Rarely have I had an actual PhD. It makes approaching them in

I'm in America, I never know what to call my professors, they're normally PhD/Masters candidates. Rarely have I had an actual PhD. It makes approaching them in a social/networking context damn near impossible. You can't approach them like you would a stranger because they'll recognize you from class.