Qothw, you don’t need to focus too much on that at this point. There are only 5 or so people on the Apple team, so your chances of accidentally being there are probably less then accidentally being an NBA player 
I think the best thing to do right now would be to focus on getting into a good design school with a well rounded program. UC, Cleveland Institute of Art, schools that focus on the full process and don’t have too much emphasis on specializations.