Lindsey Milstein, President & Board Co-Chair

Lindsey has served as a Dumbarton Oaks Park Conservancy board member since 2012 and, since 2014, is serving as president. She is co-founder of the Conservancy’s Leave No Child Inside Environmental Education Program created in 2014. Prior to advocating for the restoration and preservation of Dumbarton Oaks Park, she founded and led DIG, a landscape design-build firm based in the Pacific Northwest.

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Elizabeth ‘Liza’ Gilbert, Treasurer & Board Co-Chair

Liza is a landscape designer based in Washington, DC. Since 2012, she has served as a board member of Dumbarton Oaks Park Conservancy and since January 2019 is serving as Board Co-Chair. She received an MA in landscape architecture from the Graduate School of Design, Harvard University. She has worked at the New York firms of Michael Van Valkenburg Associates and Judith Heintz Landscape Architecture: at Douglas Reed Landscape Architecture, Cambridge, MA; and at Giannini & Vagnetti Architetti in Rome, Italy. She had the honor to serve on the Commission of Fine Arts from 2014-2019.

Lou Slade, 1st Vice President & Co-Founder

Professional Engineer (retired), founder of Gorove/Slade Associates, Inc. a transportation planning and engineering consulting firm; Board Member of FONA, Friends of the National Arboretum in Washington D.C.

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George ‘Buzz’ Seltzer, 2nd Vice President

Mr. Seltzer retired from 3U Technologies LLC., an ocean engineering and specialty engineering firm, in 2014 as Vice President of Engineering. He holds bachelor’s degree from Lafayette College in Mechanical Engineering, a Master of Science degree in Ocean Engineering from the University of Washington and a Certificate in Landscape Design from George Washington University. He retired from the U.S. Navy with the rank of Commander in the Civil Engineer Corps after serving for 22 years.

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Michael Rankin

Principal & Managing Partner TTR | Sotheby’s International Realty, a resident of Georgetown and frequent Park visitor.

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Dina Curtis

Chief of Staff at the Calvert Impact Capital, a nonprofit foundation devoted to social impact investing. From 2005 – 2011, Director of the Washington, DC Martin Luther King Jr. National Memorial Foundation.

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Meredith Long

Meredith most recently served as Chief Revenue Officer of Quantcast, Prior to joining Quantcast, Meredith was Senior Vice President and General Manager of News, Luxury & Style at Time Inc. In 2016, Long was named to the American Advertising Federation’s Hall of Achievement, which annually recognizes the most outstanding leaders in advertising under 40. She has served on the AAF’s Hall of Achievement Executive Committee as well as President of New York Women in Communications (NYWICI).

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Ruth Abrahams

Ruth Abrahams Founded, in 2013, Ruth Abrahams Design, a studio and consulting practice, with a focus on design solutions and visual branding for museums, arts organizations, and businesses. Prior to founding her Studio, Abrahams was Director of Editorial and Graphic Design at the Philadelphia Museum of Art (PMA) from 2004–2013 and Design Director at the Isabella Stewart Gardner Museum.