Cambridge and Oxford have excellent AI people too (e.g. Ghahramani now on leave from Cambridge to Uber, or Frank Wood in Oxford). Besides, some Scandinavian un

Cambridge and Oxford have excellent AI people too (e.g. Ghahramani now on leave from Cambridge to Uber, or Frank Wood in Oxford). Besides, some Scandinavian universities have excellent professors, they will pay you a great salary (not a stipend!) and you will graduate quickly. I'd rather look for an excellent advisor than for a great university if I had to compromise a bit.