David N. Horowitz - Shareholder

Email: dhorowitz@maypotenza.com
Phone: 602-774-3574
Fax: 602-252-1114
Vcard: Download

Mr. Horowitz is a shareholder of the Firm. He is the head of the Family Law/Domestic Relations Practice Group. David’s practice focuses on family law and domestic relations matters, including collaborative divorce, mediation, custody and child support. David is a fellow of the American Academy of Matrimonial Lawyers and Co-Chair of its mediation committee and serves on the Family Law Executive Council for the State Bar of Arizona. He is a past President of Collaborative Divorce Professionals of Arizona, and serves on the Arizona Supreme Court’s Child Support Guidelines Review Committee, the State Senate’s Domestic Relations Committee, and the Parenting Coordinator Committee. David also serves as a Judge Pro Tempore for the Maricopa County Superior Court.

David is a certified family law specialist and is appointed to the Family Law Advisory Commission of the State Bar of Arizona Board of Legal Specialization and is its current chair. David teaches family law at Phoenix College and has taught at Arizona Summit Law School.


  • University of Arizona, B.S & B.A., with Honors and Highest Distinction, 1987
  • University of Arizona, J.D., summa cum laude, 1990; Order of the Coif
  • Trained in Collaborative Divorce and mediation

Bar Admissions

  • Arizona (1990)

Court Admissions

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


  • Family Law Certification, Arizona Board of Legal Specialization (Since 2011)
  • Fellow, American Academy of Matrimonial Lawyers

Practice Areas


  • Featured on Phoenix Fox 10 News
  • International Association of Certified Divorce Financial Analysts
  • Arizona Press Club: Award Winner, Small Publication, 2000
  • Committee on Superior Courts
  • Arizona Judicial Conference
  • Arizona Judicial Council
  • Quarles Brady Streich Lang Employment Law Symposium
  • Arizona Family Law Institute
  • American Bar Association Commission on Lawyer Assistance Programs
  • Commercial Law League of America
  • Office of the Attorney General
  • National Business Institute/Institute of Paralegal Education
  • City of Phoenix “Faces of Diversity” Lecture Series
  • Arizona Woman Lawyers Association
  • State Bar of Arizona: Court on Professionalism; annual convention; numerous Continuing Legal Education (CLE) seminars; CLE Award, 2006
  • Employee Assistance Professionals Association
  • City of Phoenix Attorney’s Office
  • NALS…the Association for Legal Professionals: national, local, state and regional conferences
  • Arizona Minority Bar Convention
  • International Academy of Collaborative Professionals
  • Collaborative Divorce Team Training
  • Instructor of legal writing, legal ethics, family law and economics, Phoenix College
  • Maricopa County Bar Association
  • Arizona State University Public Events
  • American Academy of Matrimonial Lawyers Mediation Training


  • State Bar of Arizona Continuing Legal Education Award, 2006
  • NALS of Phoenix Boss of the Year Award, 2007
  • Super Lawyers 2018

Professional & Community Groups

  • American Bar Association
  • State Bar of Arizona; Family Law Section; Director, Member Assistance Program, 1994-2000; Professionalism Task Force; Family Law Advisory Commission, 2007-present
  • Collaborative Divorce Professionals of Arizona, 2001-present; President 2008-2010
  • International Academy of Collaborative Professionals, 2001-present
  • Maricopa County Bar Association: Family Law section
  • Arizona Association of Family and Conciliation Courts
  • Arizona Assistant Attorney General: Child Support Enforcement and Child Protective Services, 1991-1994
  • Arizona Supreme Court Child Support Guidelines Review Committee
  • State of Arizona Senate Domestic Relations Committee
  • ASU Gammage Public Events
  • The Courthouse Experience Program
  • Family Law Assistance Project
  • Human Rights Campaign
  • The Wellness Community

Legal Assistant & Paralegal

Brooke Campbell
Legal Assistant
Kerie Trindle Byrne, PP, PLS, CP