Bill Gates claims expertise in 2 things, global poverty/health and energy. Given he's spent the last decade studying both, and he can afford to fly the top exp

Bill Gates claims expertise in 2 things, global poverty/health and energy. Given he's spent the last decade studying both, and he can afford to fly the top experts in both fields to teach him 1 on 1, I have no doubts that he has had the means to learn a lot about both fields.