W. Durrell Nielsen

Location: Phoenix, Arizona
Phone: 602-249-1328
Toll Free: 888-222-1328
Fax: 602-248-2887
E-mail: info@morristrust.com

Durrell Nielson
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W. Durrell Nielsen graduated from the University of Arizona in 1967, receiving a Bachelors of Science degree in Business Administration with an accounting major. He was also awarded his Juris Doctorate degree from the University of Arizona in 1970, where he was a staff member of the Arizona Law Review.

After graduation from law school, Durrell was employed by the Office of Chief Counsel, Internal Revenue Service, as a staff attorney. During the more than four years with the Chief Counsel’s Office, he represented the Internal Revenue Service in a variety of tax matters including civil matters in the United States Tax Court, collection matters in the United States Bankruptcy Court and in state courts. He also reviewed and recommended criminal prosecutions to the United States Department of Justice. Durrell has been in private practice of law since 1974.

In his private practice of law, Durrell has focused on estate planning, probate, trust administration, taxation, and corporate and business matters. He has presented many public and private seminars on these subjects. In addition to his busy law practice, Mr. Nielsen is very active in church and educational organizations, and has served on the Planned Giving Committee of Primary Children’s Hospital, Salt Lake City, Utah . He and his wife, Janelle, are parents of three sons, two daughters, and twelve grandchildren.

Durrell is admitted to practice before all the courts in the states of Arizona and Utah, the Federal courts in Arizona and Utah, the United States Court of Appeals for the Ninth Circuit and the Tenth Circuit, the United States Tax Court and the Supreme Court of the United States of America . He is a member of the State Bar of Arizona, the Utah State Bar and the American Academy of Estate Planning Attorneys.

Although Durrell excels in all areas of estate planning, his accounting and tax background provide a special direction in his practice of law. He takes pride in making sure his clients do not pay unnecessary taxes, and that their estate is taxed at the lowest necessary rate, thereby providing that the majority of their estate stays with their loved ones. Durrell’s emphasis on tax

Areas of Practice

  • Estate Planning
  • Estate Tax Planning
  • Business Tax Planning
  • Accounting
  • Estate Tax Provisions
  • Business Planning

Bar Admissions

  • Arizona
  • Utah
  • U.S. District Court District of Arizona
  • U.S. District Court District of Utah
  • U.S. Bankruptcy Court Arizona
  • U.S. Bankruptcy Court Utah
  • U.S. Court of Appeals 9th Circuit
  • U.S. Court of Appeals 10th Circuit
  • U.S. Supreme Court
  • U.S. Tax Court


  • University of Arizona College of Law, Tucson, Arizona
    • J.D. – 1970
    • Law Review: Arizona Law Review, Staff Member
  • University of Arizona, Tucson, Arizona
    • B.S.B.A. – 1967
    • Major: Accounting
  • University of Arizona, Tucson, Arizona
    • B.S., Bachelor of Science – 1967
    • Major: Business Administration

Published Works

  • Caveat Emptor in Sales of Real Property Arizona Law Review, Fall, 1968
  • Common Questions About Estate Planning, Book, 2009
  • Arizona Estate and Probate Planning Handbook, Book, 2008
  • What if My Spouse is Not a US Citizen?, Phoenix Business Journal, 2007

Professional Associations and Memberships

  • State Bar of Arizona, Member
  • Utah State Bar, Member
  • Tax Section, Utah State Bar
  • Estate Planning Section, Utah State Bar
  • Planned Giving Committee
  • Primary Children’s Medical Center

Past Employment Positions

  • Office of Chief Counsel, Internal Revenue Service, Staff Attorney

Pro Bono Activities

  • Planned Giving Committee, Primary Childrens Hospital, Salt Lake City, Utah


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