Sudip Chatterjee is a Managing Director in the New York office of Valuation and Business Analytics practice of BDO. Sudip specializes in complex securities and derivatives valuation and asset/liability management. Prior to joining BDO, Sudip has led several engagements related to valuation and validation of complex instrument models and led risk management teams at Navigant, Merrill Lynch and Mortgage IT Holdings. Sudip has worked in research group at Donaldson, Lufkin & Jenrette Securities for six years. During this period, the research group was ranked #1 for four years in a row by Institutional Investor (1994 ‐ 1997).