Work: Jane Street Capital
Jane Street Capital is a proprietary trading firm that brings scientific methods to trade around the globe.
Acting profitably in the world's highly competitive financial markets often involves intuition in quantitative methods, technology, and trading itself. I genuinely find each of these fields quite interesting, and spend a lot of time thinking and learning about them.
If you're interested in problems similar to those which you think about while trading, check out an article I wrote about betting.