David Irizarry, M.Ed.

Adapting and Implementing a Gang Reduction & Youth Development Model

David Irizarry is a Stoneleigh Fellow with the Philadelphia Police Department. In this role, he is studying, adapting, and implementing a Gang Reduction & Youth Development (GRYD) model in Philadelphia.

Previously, David was the Director of Juvenile Justice Services for Delaware County’s Department of Juvenile Detention and Rehabilitation Services.  Prior to this, David served as Deputy Director of Philadelphia’s first-ever Office of Violence Prevention, a city department tasked with the citywide reduction of gun violence. He also worked as the Assistant Managing Director for Philadelphia’s Youth Violence Reduction Partnership, a multi-agency effort that aimed to reduce youth homicides in Philadelphia’s highest crime neighborhoods.  In addition, David has held positions at the Covenant House of Pennsylvania and with local juvenile court & probation services departments.

David is a steering committee member of Columbia Justice Lab’s Youth Correctional Leaders for Justice, The Council of Juvenile Justice Administrators, The National Association of Blacks in Criminal Justice, The Conference of Minority Public Administrators, and PCCD’s Juvenile Justice and Delinquency Prevention Committee (Diversion Sub-Committee member).

David holds a bachelor’s degree in social relations from Cheyney University of Pennsylvania and a master’s of education in counseling from Wilmington University.

Stoneleigh Fellow

2024 – 2027

Director, Gang Reduction and Youth Development

Philadelphia Police Department