Devan Montgomery

As chief of the Criminal Division at The Law Offices of John Phebus in Glendale, Arizona, Devan Montgomery provides formidable advocacy statewide. She oversees every phase of criminal litigation statewide, from extensive pretrial motions, witness interviews and evidentiary hearings to rigorous jury and bench trials. Handling complex matters ranging from traffic offenses, DUIs and drug crimes to federal violations, sex offenses and manslaughter offenses, she combines meticulous tactical preparation with sharp courtroom insight to protect constitutional liberties.

Complementing her criminal defense focus, Ms. Montgomery’s strategic acumen strengthens the firm’s statewide personal injury and civil trial practice. She assists individuals navigating high-stakes claims involving motor vehicle accidents, trucking collisions, premises liability, construction-site injuries and aviation disasters. Her comprehensive practice also encompasses complex medical malpractice, birth injuries, traumatic brain injuries, animal attacks, nursing home abuse, assault and wrongful death, delivering relentless, results-driven representation to secure vital accountability and redress for injured clients.

Licensed to practice law in Arizona since 2020, Ms. Montgomery graduated summa cum laude from the University of Wisconsin-Platteville and earned her Juris Doctor from the University of Wisconsin-Madison Law School. She developed her trial skills at the Maricopa County Office of the Public Defender before moving to private practice. With extensive experience across Maricopa County and various courts, she has built a reputation as a dedicated and effective advocate for her clients.

Drawing upon her academic background in psychology, Ms. Montgomery integrates human-centered insight into rigorous legal advocacy, particularly when addressing complex mental health and addiction challenges within the criminal justice system. Her approach moves beyond standard procedure to uncover root vulnerabilities, ensuring each client's unique personal struggles inform strategic defense planning. By combining empathetic understanding with decisive courtroom negotiation, she actively pursues meaningful rehabilitation and fair resolutions, safeguarding individual dignity and securing equitable justice for vulnerable defendants.