James Callison focuses his practice on complex litigation matters in trial and appellate courts.

Prior to joining the firm, Mr. Callison clerked for Judge James B. Loken of the US Court of Appeals for the Eighth Circuit. While in law school, he was a finalist in the University of Pennsylvania Law School’s Keedy Cup Moot Court Competition. 

He also previously served as an intern and extern in both the criminal and civil divisions of the US Attorney’s Office for the Eastern District of Pennsylvania in Philadelphia. Before entering the legal field, Mr. Callison worked as a strategy and consulting manager at Accenture’s Public Service Practice, where he helped lead multimillion-dollar COVID-19 response initiatives across multiple states and developed public health programs addressing racial disparities in infant mortality.

Credentials

  • Education

    • JD, University of Pennsylvania Carey Law School, 2024

      Senior Editor, University of Pennsylvania Law Review 

      Keedy Cup Finalist

      Englert Cup, Champion and “Best Lawyer” Award

      Leo Model Government & Public Affairs Fellow

    • BA, Political Science, Sociology and Anthropology, Middlebury College, 2018

      summa cum laude

      Phi Beta Kappa Society

      Katerina Kraus Political Science Award 

      Political Science Department Highest Honors

      Sociology and Anthropology Department High Honors

  • Admissions

    • New York

    • Pennsylvania

    • US Court of Appeals for the Second Circuit

    • US Court of Appeals for the Federal Circuit

  • Clerkships

    • The Hon. James B. Loken, US Court of Appeals for the Eighth Circuit, 2024 - 2025

Credentials

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