David Gerszewski

David Gerszewski is the founder of Citadel Law Firm, PLLC in Chandler and practices estate planning, probate, trust administration, and estate litigation. His work includes trusts, wills, powers of attorney, living wills, deeds, blended-family planning, and matters for high-net-worth clients. He helps individuals and families organize legal documents and address disputes or administrative issues that arise after incapacity or death.

Gerszewski earned a J.D. from Arizona State University College of Law. He holds an M.Sc. in International Security from the University of London, an M.S. in Applied Statistics from Arizona State University, and a B.S. in Decision Sciences from the University of Denver. His multidisciplinary education supports careful analysis of financial, legal, and planning issues that can affect complex estates and trusts.

Before focusing on law, Gerszewski spent nearly two decades in institutional finance, including work on Wall Street and in London. He later returned to Arizona and built an estate planning practice that combines legal counsel with experience analyzing financial structures. His work covers routine and complex planning, probate administration, trust administration, and contested estate matters where careful review of assets, documents, and fiduciary duties is essential.

David Gerszewski is admitted in Arizona, Minnesota, and North Dakota and in several federal courts. His background in finance, statistics, and law gives him a broad analytical foundation for estate planning and related disputes. He helps clients create and administer planning structures, address probate or trust conflicts, and make informed decisions involving family assets, fiduciary responsibilities, and long-term wealth preservation goals.

Law Office Affiliations

• Attorney, Citadel Law Firm PLLC
• Member, State Bar of Arizona
• Member, Minnesota State Bar Association
• Member, State Bar Association of North Dakota
• Member, WealthCounsel

Licensed State

• Arizona
• Minnesota
• North Dakota

Education

• Arizona State University College of Law
  Juris Doctor (JD) in Juris Doctor
• University of London
  M.Sc. in International Security
• Arizona State University
  Master of Science (MS) in Applied Statistics
• University of Denver
  Bachelor of Science (BS) in Decision Sciences

Awards & Badges