Bob Lang has been a private trader in equity and option markets for several years and manages separate accounts via Aztec Capital LLC. He has managed a $300 million pension and 401(k) plan for a Southern California cooperative. In early 2000, Lang started a hedge fund for private and institutional clients. This fund, Aztec Partners, was a top-performing fund that year relative to its peer group. In 2002, Lang worked with floor traders in the active bond-trading group of Countrywide Capital Markets. In May 2011, Lang launched an options trading service called Explosive Options.