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Neighborhood Allies


429 Fourth Avenue, Suite 1900
Pittsburgh, PA 15219







Abigail Horn is the Director of the Office of Community Services for the Allegheny County Department of Human Services.

Prior to her appointment as deputy director, Horn was a senior advisor for DHS. She led the county’s Bureau of Homeless Services and a “research to practice” unit in the Office of Data Analysis, Research and Evaluation (DARE). She brought data-informed decision-making to drive policy change and performance improvements within the region’s homeless system and other program areas serving vulnerable populations.

Her previous work experience includes grant-making for The Pew Charitable Trusts, running an economic development research center for Cleveland State University, and supporting democratic reforms in Latin America for the U.S. Agency for International Development (USAID).

Horn is the treasurer of the board of trustees of the Education Law Center of PA. She graduated from Yale University, has a Master of Economic and Political Development degree from the Columbia University School of International and Public Affairs, and was a Fulbright Scholar in Chile.

Abigail has published a number of articles during her career, providing valuable research surrounding topics such as homelessness in Allegheny County, the immigrant and refugee population in the area and economic impact analyses. She has also presented at a number of conferences and events surrounding issues of youth homelessness, child welfare and mental health and housing insecurity. Abigail received her Bachelor of Arts in Latin American Studies from Yale University, completed a Fullbright Scholarship in Santiago, Chile, and received her Master of International Affairs from Columbia University.

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