Warren Buffet is number one. He has shown generations how to invest and think about investing (not only using Bershite Hathaway). He would have been a perfect president of the Unitef States!
May be it all depends on how AIs can help us solve the problem. By now, they are more capable than many people that I deal with. So, may be the problem can give us the solution. May be they can figure out a way out of the mess. And sorry to say this, but China and the US are not going to solve this problem, they may even get it worse. Every country is controlled by politicians.