he used to be a stock broker, He was a quant. Huge difference. Any idiot could be a broker. http://en.wikipedia.org/wiki/Quantitative_analyst http://en.wikipe

he used to be a stock broker, He was a quant. Huge difference. Any idiot could be a broker. http://en.wikipedia.org/wiki/Quantitative_analyst http://en.wikipedia.org/wiki/Quantitative_analyst