Jillian Soreide


Marjorie A. Williams


  • Arizona State University (B.I.S., 2003)
  • Chapman University (J.D., 2008)
  • Georgetown University (LL.M., Taxation, 2009)


DARREN T. CASE is a tax and estate planning shareholder attorney for Tiffany & Bosco, P.A., licensed in the State of Arizona. Darren has presented nationally on the topics of tax and estate planning, he is an ACTEC Fellow of the American College of Trust and Estate Counsel, the Co-Author of the Arizona Estate Planning and Probate Handbook (published by Thomson Reuters), guest contributor for articles published on, former Chair of the Estate Planning, Probate & Trust Section for the Maricopa County Bar Association, the former President for the Central Arizona Estate Planning Council, and an Honored Advisor of the American Cancer Society for facilitating a million dollar donation to the Arizona Hope Lodge.

Darren assists families and individuals the areas of estate planning, probate, and tax. He is experienced in a broad range of planning techniques, including traditional wills and revocable trusts, along with more sophisticated planning strategies such as insurance trusts, residence trusts, intentionally defective grantor trusts, spousal lifetime access trusts, generation-skipping transfer tax exempt or dynasty trusts, charitable trusts, split-interest trusts, family limited partnerships and intra-family sales and loans, etc. He assists clients by providing tax and estate planning services specifically tailored to each individual client, whether it is a client who has amassed substantial wealth or those who are in the process of accumulating such wealth. Darren is also experienced in the area of probate and trust administration and litigation, having worked on simple to complex trust and estate matters, and everything in between.

Darren was born and raised in the Phoenix area and attended Arizona State University for his undergraduate studies, where he received his Bachelors of Interdisciplinary Studies in business and communication. He received his law degree from Chapman University, graduating with an emphasis in taxation, and was the Tax Law Emphasis Honors Graduate of his class. In addition to his law degree, Darren received his Master of Laws in Taxation, with a Certificate in Estate Planning, from Georgetown University.

Outside of the practice of law, Darren enjoys spending time with his wife and children, taking them on family adventures. Darren also enjoys training for and competing in Ironman triathlon races and trail running races, supporting ASU Sun Devils and Georgetown Hoyas athletics, and spending time outdoors in Arizona.

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