Marlene Appel

Marlene Appel PLLC

concentrates her practice in the areas of probate, trust and G/C administration and litigation. She is a certified specialist in estate and trust law and a licensed fiduciary. She is the 2007 Recipient of the Eleanor Ter Horst Distinguished Service Award given by the Probate & Trust Section of the State Bar for superior knowledge in probate and trust law; consultation to the bar, the courts and the public; participation in related committees and projects and enhancement of public awareness of trust and probate issues. She is rated AV-Pre-eminent (30+ years) and Top Rated Lawyer by Martindale-Hubbell and has been listed by SuperLawyers, Arizona’s Finest Lawyers and Best Lawyers of America (2023 & 2025 Best Lawyer of the Year, 2023 & 2025 Best Law Firm, Phoenix: Elder Law, Trusts & Estates, Litigation - Trusts Estates). She has served as a Judge Pro Tem for the Probate/Mental Health Division of the Maricopa County Superior Court since 1988; and is a certified arbitrator and settlement judge in the probate and civil divisions. She attended Northwestern University and Arizona State University College of Law (JD 1977). She is a former member (1988-92) and co chair (1990-91) of the Executive Council of the State Bar’s Probate & Trust Section, and the State Bar’s Continuing Legal Education Committee (1991-95). She served on the Advisory Commission on Estate and Trust Specialization (1991-98 and 2012-16, chair in 2016), the board of the Maricopa County Bar’s Estate Planning, Probate & Trust Section and the Arizona Supreme Court’s Probate Rules Committee. She was a Senior Editor of the Probate Practice Manual, 5th ed.2014 and 6th ed. 2022. She served on the 2014-15 Alternative Dispute Resolution Policy/Training Group which developed new policies, procedures and mandatory probate ADR training for the Maricopa County Superior Court. She was a member of the Arizona Supreme Court’s Task Force from 2017 through 2019, which re-wrote the Rules of Probate Procedure. She was a faculty member for the State Bar’s College of Trial Advocacy (2014-2018) and the Arizona Supreme Court’s mandatory training program for court appointed attorneys and guardians ad litem. She is a Fellow of the American College of Trust & Estate Counsel, and a member of the Sole Practitioner’s Probate Litigation Committee, the National Academy of Elder Law Attorneys, the Arizona Fiduciary Assn and the Arizona Assn of Women Lawyers. She is a volunteer with the MCBA Probate Lawyer Assistance Program. She is qualified as an expert witness, special master, GAL, litigation conservator, arbitrator and mediator; and is a frequent speaker on probate and trust administration, GCs, litigation and professional ethics.