Drew J. Guff

Vladimir Andrienko

George W. Siguler

Finance and Legal

Donald Spencer

Kenneth Burns

Jun Isoda

Jarrad Krulick

Russia Partners Advisers

Our Team


Donald Spencer

Managing Director

Donald P. Spencer is a Managing Director and Founding Partner of Siguler Guff. He is the Firm’s Senior Counsel, with primary responsibility for strategic issues and special projects. He has extensive legal experience in investment and partnership structure issues, as well as diverse experience in the areas of client report­ing, financial controls and data processing. 

Prior to 1995, Mr. Spencer was a Senior Vice Presi­dent and portfolio manager in the Private Equity Group of PaineWebber, with responsi­bility for the evaluation, due diligence and monitoring of private equity investments and the administration of private equity funds managed by the Group. He joined the Private Equity Group in 1993 after four years as First Vice President and Associate General Counsel in the PaineWebber legal department, where he had primary legal responsibility for the Private Equity Group, as well as varied responsibilities in PaineWebber’s mutual fund and institutional managed account businesses. Before joining PaineWebber, Mr. Spencer was Senior Vice Pres­ident and general counsel of Atalanta/Sosnoff Capital Corporation, an institutional money manager and, prior to that position, was an associate attorney for three years with Atalanta/ Sosnoff’s counsel, Shereff, Friedman, Hoffman & Goodman, where he specialized in represent­ing financial services companies. He started his career in 1980 at Sullivan & Cromwell, where he represented financial services as well as investment banking clients.

Mr. Spencer holds a B.A. from Wesleyan University and a J.D. degree from the New York University School of Law.


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