DGI principals

Founded in 1989 by Ken Duberstein and Michael Berman, the DGI team provides our clients with experienced counsel, guidance and insight based on years of leadership service within the White House, major cabinet agencies, Fortune 50 corporations and Capitol Hill.

  • Kenneth M. Duberstein

    Chairman & CEO

    Kenneth M. Duberstein is chairman and CEO of The Duberstein Group, an independent strategic planning and consulting company advising leading corporations and a select group of trade associations.  Duberstein served as a key member of the R...

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  • Brian J. Griffin

    Partner

    Brian J. Griffin is a Partner at The Duberstein Group.  He was most recently Vice President of Government Relations for Honeywell International, representing global corporate interests in transportation and energy markets and managing stra...

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  • Kate Winkler Keating

    Vice President

    Kate Winkler Keating, Vice President, joined the Duberstein Group after working in a variety of senior-level Capitol Hill positions. Most recently, she served as the Chief of Staff to Congressman Joseph Crowley, who was Chairman of the Hous...

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  • David Schiappa

    Partner

    David Schiappa, Partner, joined the Duberstein Group after retiring in 2013 from the United States Senate after almost 29 years of service.  David served under Republican Leaders Bob Dole, Trent Lott, Bill Frist, and the current Majority L...

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  • Anne Wall

    Partner

    Anne Wall, Partner, joined The Duberstein Group after a decade of service in senior leadership roles in the U.S. Senate and the Obama Administration. She served as Floor Director for the Assistant Democratic Leader and Whip Dick Durbin, as ...

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  • Michael S. Berman

    President Emeritus

    Mike Berman is President Emeritus and one of the founders of The Duberstein Group, Inc., a government affairs consulting firm, established in 1989 and based in Washington, DC.  Previous to that he was a Partner in the Washington office of ...

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