Professional Biography
Image of Margo Casselman

Margo Casselman Counsel

  • Phoenix

    D +1.602.351.8159

    F +1.602.648.7000

    Phoenix

    2525 E. Camelback Road, Suite 500

    Phoenix, AZ 85016-4227

    +1.602.351.8159

    MCasselman@perkinscoie.com

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Overview

Margo Casselman has experience in a wide range of litigation matters. Before joining the firm, Margo clerked for the Honorable David G. Campbell of the U.S. District Court for the District of Arizona and the Honorable Mary H. Murguia of the U.S. Court of Appeals for the Ninth Circuit. She graduated summa cum laude from the University of Arizona law school, where she received the class of 2017 Highest Academic Achievement Award. Margo also won #1 oral advocate in the region at the ABA National Appellate Advocacy Competition (Boston). She has a business background and worked for an international tech company before pursuing her law degree.

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Professional Recognition

  • Listed as a "Rising Star" by Southwest Super Lawyers, 2022-2024

Clerkships

  • Hon. Mary H. Murguia, U.S. Court of Appeals for the Ninth Circuit, 2018 - 2019
  • Hon. David G. Campbell, U.S. District Court for the District of Arizona, 2017 - 2018

Experience

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RELATED INFORMATION

Bar and Court Admissions

  • Arizona
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court for the District of Arizona

Education

  • University of Arizona James E. Rogers College of Law, J.D., Order of the Coif, 2017, Articles Editor, Arizona Law Review
  • Arizona State University, B.A., Business, summa cum laude, 2014, Certificate in International Business