Our People

Senior Management

  • Valerie J. Sill, CFA, CAIA

    President and CEO

    Valerie J. Sill, CFA, CAIA, is President and CEO of DuPont Capital Management (DuPont Capital) and serves as its Chief Investment Officer.  She is responsible for overseeing ...

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  • Lode J. Devlaminck

    Managing Director, Equities

    Lode J. Devlaminck, Managing Director, Equities, is responsible for overseeing DuPont Capital’s public equity strategies, including U.S., International, Global, and Emerging...

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  • Krzysztof (Kris) A. Kowal, Ph.D., CFA

    Managing Director, Fixed Income Investments

    Krzysztof (Kris) A. Kowal, Ph.D., CFA, Managing Director, Fixed Income Investments, is responsible for DuPont Capital’s global fixed income portfolios, including Core, Core ...

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  • John R. Macedo

    Chief Compliance and Administrative Officer

    John R. Macedo, Chief Compliance and Administrative Officer, is responsible for DuPont Capital’s business accounting, analysis and planning; and Compliance. He is a member ...

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  • Antonis Mistras, CFA

    Managing Director, Alternative Investments

    Antonis Mistras, CFA, Managing Director, Alternative Investments, is responsible for Private Equity, Private Credit, Private Real Estate, Hedge Funds, and Stable Value investm...

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  • Robin P. Sachs

    Chief Operating Officer

    Robin P. Sachs, Chief Operating Officer, is responsible for DuPont Capital’s operational functions including management of information systems, accounting, and performance m...

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  • Timothy R. Sweeney

    Managing Director, Business Development and Client Service

    Timothy R. Sweeney, Managing Director, Business Development and Client Service, is responsible for overseeing all of the firm’s sales and marketing efforts. Prior to joinin...

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