Nassim N. Taleb, author of BlackSwan books. His thinking about risk/probability is timeless. Frequently publishes links to his papers and debunks the BS-peddlers on his twitter: https://twitter.com/nntaleb
The downside to arrogance is that it will tank your reputation if you fail. This may be too early in History, and too politically charged to use as an example, but think Trump.
[^] on personal interactions, though, I find arrogance a repellent trait.