GARY L. GASTINEAU is a Managing Director at Nuveen Investments, where he is responsible for the development and introduction of Nuveen's new open-end exchange-traded funds. Gastineau has specialized in the development and use of financial instruments for portfolio and risk management applications since 1975. Prior to joining Nuveen in March 2000, he was senior vice president for new product development at the American Stock Exchange, where he worked on the development of exchange-traded funds and related products.