Valerie J. Sill, CFA, CAIA, is President and CEO of DuPont Capital Management and serves as its Chief Investment Officer. She is responsible for overseeing the investment of more than $28 billion in assets held by DuPont Company plans and external clients. DuPont Capital manages assets across nine different asset classes using a value-based investment approach that combines valuation and risk control disciplines designed to produce risk-efficient excess returns that satisfy its clients’ investment objectives. Prior to joining DuPont Capital in April 2004, Ms. Sill was Executive Vice President at The Boston Company. There she chaired the Equity Policy Group and was the Director of Large Cap Value strategies. She was a dual officer with Dreyfus, also a Mellon company, where she managed the Dreyfus Premier Core Value mutual funds. In addition to her work at The Boston Company and Dreyfus, Ms. Sill formed and chaired Mellon’s Research Forum to foster collaboration among investment professionals from each of Mellon’s investment management subsidiaries. Ms. Sill started her career in asset management with State Street Research & Management Company as a Health Care and Utilities analyst and later joined Investment Advisors in Minneapolis as a senior analyst. Ms. Sill is a member of the Board of Trustees of Longwood Gardens and chairs its Investment Committee. She chairs the Investment Committee of the Delaware Community Foundation and is a member of its Board of Directors. Ms. Sill is a Trustee of the Christiana Care Health System and a member of its Investment Committee. Ms. Sill served a three-year term on the Federal Reserve Bank of Philadelphia’s Economic Advisory Council. Ms. Sill was awarded a Bachelor of Arts degree, magna cum laude, in Economics and Philosophy from Wellesley College. She was elected to Phi Beta Kappa and was a Durant Scholar. She holds an MBA from Harvard University, is a CFA charterholder, and is a CAIA charterholder.