This article smells like a P.R. hit for Two Sigma Investments. Note that they list 4 billionaires from D.E. Shaw: David Shaw (founder), Jeff Bezos (founded Amazon.com)...and the two Two Sigma founders. The link to Two Sigma is the only link that appears in the piece. And if you look up Two Sigma, they are hiring aggressively, and almost all of their other appearances are glowing articles in Forbes.