Ananth Madhavan is Managing Director and Global Head of Research for iShares, the world's largest provider of exchange-traded funds. Previous positions include the Global Head of Trading Research and Transitions at Barclays Global Investors, and Head of Research at ITG Inc., an electronic brokerage firm. Dr. Madhavan has also had an extensive career as a professor at the University of Southern California and the Wharton School of the University of Pennsylvania.