Mark Hummels has a diverse legal practice that includes commercial litigation, appeals, and lawyer ethics and discipline. He also counsels clients in administrative and regulatory matters.

In his previous career, Mark was a politics and government reporter for the daily Santa Fe New Mexican newspaper. Before joining the firm, Mark served as a judicial clerk for the Honorable Andrew D. Hurwitz of the Arizona Supreme Court. Mark earned the highest score on the July 2004 Arizona bar exam.