DGI principals

Brian J. Griffin

Managing Partner

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

Full Bio >

David Schiappa

Managing Partner

David Schiappa, Managing 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 M...

Full Bio >

Kate Winkler Keating

Partner

Kate Winkler Keating, Partner, 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 House Democ...

Full Bio >

Ben Howard

Partner

Ben Howard, Partner, joined the Duberstein Group after a more than a decade of service in key roles in both the White House and the House of Representatives. Most recently, Ben served as Deputy Assistant to the President for Legislative Aff...

Full Bio >

Elizabeth Kelley

Vice President

Elizabeth Kelley is a Vice President at The Duberstein Group, having joined the firm from the Urban Institute where she served as Vice President of Philanthropic Partnerships. During the Obama-Biden Administration, Elizabeth served as Speci...

Full Bio >

...

Full Bio >

Kenneth M. Duberstein

Founder

Ken Duberstein passed away on March 2, 2022.   Ken was many things to many people; a caring father, a loving husband, a loyal friend, a trusted advisor, a thoughtful listener, and a strategic leader. His storied career brought him from the...

Full Bio >

Michael S. Berman

Founder

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 ...

Full Bio >