ALAN H. DORSEY is a Managing Director and Alternative Investment Strategist at Lehman Brothers. He is cohead of Portfolio Advisory for the Private Investment Management group that serves Lehman's high-net-worth clients and head of Portfolio Strategy for multi-asset class institutional portfolios with a focus on alternative investments. Prior to joining Lehman Brothers, Dorsey was managing director and director of non-traditional investments and research at RogersCasey, a leading consultant to pension funds and other institutional investors. He holds a BA in economics from Wesleyan University a...