Office of Public-Private Partnerships

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OP3 Staff

Seth Miller GabrielSeth Miller Gabriel

Seth Miller Gabriel comes to the District from the Institute for Public-Private Partnerships, a Tetra Tech Company, where he was Chief Operations Officer. He is a recognized expert in the Public-Private Partnerships (P3) field in which he has provided both public and private sector leaders with insight and analysis of the growing P3 market. Seth has also assisted national and international private sector firms entering the Public-Private Partnerships market as an independent consultant. Prior to undertaking independent consulting, Seth was the Deputy Executive Director of the National Council for Public-Private Partnerships (NCPPP), the only non-profit organization in the United States focused solely on the increasing utilization of the partnership model. Previously, Seth was a member of KPMG’s Global Infrastructure and Project Group, a leading ‘Big Four’ Public-Private Partnerships consulting team. Seth holds a B.A. (Political Science) from Washington College and a M.P.A. from The Trachtenberg School of Public Policy and Public Administration at the George Washington University.


Judah GluckmanJudah Gluckman
Deputy Director and Counsel

Judah Gluckman most recently served as Deputy Director in the Office of Policy and Legislative Affairs for Mayor Muriel Bowser. In this capacity, he was a liaison to the DC Council, provided legislative analysis, and coordinated District agency activities to implement the Mayor’s legislative and policy agenda on a range of issues. He joined the office of then-Councilmember Bowser in 2011 as Legislative Counsel for the Committee on Government Operations and later the Committee on Economic Development. Judah worked with Mayor Bowser to research and draft the Public-Private Partnership Act of 2014. Prior to the Council, Judah worked on telecommunications regulatory matters and appellate litigation for Kellogg, Huber, Hansen, Todd, Evans & Figel, PLLC. He also served as a Metcalf Policy Fellow and Assistant to the Chief of Staff for Chicago Mayor Richard M. Daley. Judah is a graduate of the University of Chicago and the American University Washington College of Law.


Anna ShapiroAnna Shapiro
Director of Projects

Anna Shapiro was previously a Project Manager for four years in The Office of the Deputy Mayor for Planning and Economic Development (DMPED), where she managed the disposition and redevelopment of large scale publically owned properties and the redevelopment of public facilities. Her projects included the West End Parcels (including Engine 1 and West End Library), the former Hine Junior High School, Parcel 42, Stevens School, and Poplar Point. Prior to joining DMPED, Anna was in the Housing Regulation Administration at the DC Department of Housing and Community Development (DHCD), where she managed the day to day administration of the Affordable Dwelling Unit (ADU) program and the Inclusionary Zoning (IZ) program. Anna received her Master’s in City Planning from the University of Pennsylvania, with a focus on Urban Redevelopment and Real Estate. While in Philadelphia, she worked for an affordable housing development consultant and an economic development non-profit. She began her career in interior architectural design and construction management after receiving a Bachelor of Arts in Architecture from Washington University in St. Louis.


Kristen M. Stewart, Esq.
Infrastructure Fellow

Kristen M. Stewart is an attorney trained in property law and brings P3 policy and procedure expertise to the office. She has conducted extensive research on P3 and other, alternative delivery method laws, policies, practices, and outcomes of the 50 states, District, federal government, and in the international context. With that knowledge, she has developed legislative solutions and built knowledge capacity for public officials and industry members. She is a contributing expert to United Nations Commission on International Trade Law (UNCITRAL) P3 work, currently aiding in the revision of UNCITRAL P3 legislative texts, and also serves as a contributing expert to the World Bank’s procurement research. Kristen received her J.D. with a Certificate in Advanced Property Studies from Syracuse University and a B.A. in English from the University of Washington.


Darien PuseyDarien Pusey
Project Specialist

Darien Pusey is the newest member of the Office of Public-Private Partnerships, bringing a background in policy, sustainability and community engagement. He has done extensive research on environmental policy and sustainable infrastructure from both his studies at the University of Maryland, College Park as an Environmental Science and Policy major and his past experience working with the District Department of Energy and Environment (DOEE); where he assisted in the coordination of DOEE’s Green Zone Environmental Program (GZEP). As a native of Washington DC area, Darien believes that implementing P3’s in the District to not only a good way to improve city infrastructure, but also a path to make our nation’s Capital more sustainable and efficient in the process. Darien received his B.S. in Environmental Science and Policy with a concentration in Politics and Policy from the University of Maryland and is currently pursuing his Master’s degree in Public Administration and Policy at American University.