Professional Biography

Katherine E. May Associate

  • Dallas

    D +1.602.351.8113

    F +1.214.965.7799


    500 North Akard Street, Suite 3300

    Dallas, TX 75201-3347




Katherine May focuses on complex commercial, environmental, constitutional and regulatory disputes for clients in the mining and minerals, metals, aerospace, health care, real estate and financial services industries. She has experience representing clients in federal and state courts at both the trial and appellate levels, as well as before the Arizona Office of Administrative Hearings and other state agencies. Katherine assists clients with due diligence investigations, and in evaluating and mitigating environmental compliance risks that arise under federal and state environmental laws.

Maintaining a robust pro bono practice, Katherine has successfully represented a Guatemalan woman in obtaining asylum. Recently, she served as first chair in a three-day trial in federal court alleging civil rights violations. Katherine also currently serves as co-chair of the Federal Bar Association Phoenix Chapter’s Newer Lawyers’ Committee.

Before joining the firm, Katherine served as a law clerk to the Honorable John Pelander of the Arizona Supreme Court. As a law student, she served as associate note and comment editor on the Arizona State Law Journal and as research assistant to Robert Bartels.

*Admitted only in Arizona.

Professional Leadership

  • Federal Bar Association - Phoenix Chapter, Newer Lawyers’ Committee, Co-Chair, 2016 – present
  • Sandra Day O’Connor Inn of Court, Member, 2016 – present
  • Arizona Women Lawyers Association
  • State Bar of Arizona
  • Maricopa County Bar Association

Community Involvement

  • Herberger Theater Center, Young Leadership Board, Chair, 2014 – 2016; Member, 2016 – present
  • Big Brothers Big Sisters of Central Arizona, Big Sister, 2014 – present


  • Hon. John Pelander, Supreme Court of Arizona, 2014 - 2015


Publications & Presentations


Bar and Court Admissions

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


  • Arizona State University, Sandra Day O'Connor College of Law, J.D., summa cum laude, Order of the Coif, Sandra Day O’Connor Award, 2014, Note & Comment Editor; Articles Committee Chair, Arizona State Law Journal
  • University of Missouri, B.A., Journalism, magna cum laude, 2011