About Kristen

Kristen Mangan works as an associate attorney out of Green and Spiegel's Philadelphia office, handling a wide range of nonimmigrant and immigrant employment-based matters. That practice centers on H-1B, O-1, and L-1 visa applications along with permanent labor certifications and EB-2 National Interest Waiver petitions. Before coming to the firm, Kristen worked at a large multinational law firm supporting corporate immigration cases. Kristen earned a Juris Doctor from Penn State Law in 2021 and holds a bachelor's degree in English Literature from the University of Georgia, is admitted to practice in both New Jersey and Pennsylvania, and serves as co-chair of the Diversity, Equity, and Inclusion Committee for the Philadelphia chapter of AILA.

Practice areas

Education & credentials

Law school
Penn State Law
Undergraduate
BA, English Literature, University of Georgia

Listing compiled from public sources in August 2026. Confirm Kristen D. Mangan’s licence and standing in the Law Society of Ontario directory ↗