Mark L. Scalzo

Mark Scalzo's practice includes federal criminal defense, investigations, civil litigation, and appellate advocacy. He has experience advising clients on litigation strategy and has drafted or helped prepare briefs and motions in federal trial and appellate courts, including a petition for certiorari and amicus brief at the Supreme Court.

Mark contributes to a wide variety of pro bono matters focused on religious liberty, habeas corpus law, and immigration appeals. He also has experience with veterans' benefits, including the appeals process, and landlord-tenant law. In addition, he is a member of the Start Anew team that put on the 2025 clinic for survivors of human trafficking, domestic violence, and sexual assault in the Washington, D.C. Metro Area.

Before joining Jones Day in 2025, Mark served as a judicial law clerk on the U.S. Court of Appeals for the Eleventh Circuit and a judicial intern on the U.S. Court of Appeals for the Sixth Circuit. During law school, he researched options and issues for potential federal data privacy legislation proposals and spent one summer contributing to constitutional litigation protecting equality, property rights, and the separation of powers. Prior to attending law school, Mark worked at a large health care software company and focused on electronic health record (EHR) interoperability, clinician well-being, and regulatory compliance, such as reporting and reimbursement requirements.