You obviously need to develop strong opinions and to have the conviction to stick with them when you believe you're right, even when everybody else may think you're an idiot. But where I've seen ego get in the way is by not always being open to question and to input that could change your mind. [...]

What other business is as intellectually stimulating as this? Other than maybe intelligence gathering for national security, I don't know of one. If you like winning, there's a scorecard. If you like game theory and trying to logically deduce what's likely to happen, this is a great application for that and it's very gratifying to [...]