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Diana S.C. Zeydel is global chair of the Private Wealth Services Practice and focuses her practice on estate and tax planning for high-net-worth individuals and families, including intra-generational wealth transfer strategies and business succession planning. Her practice includes planning for United States and non-United States citizens and residents. Diana also assists clients with litigated probate, trust, and guardianship matters, and represents clients before the Internal Revenue Service in matters involving fiduciary income tax and estate, gift, and generation-skipping transfer tax controversies. She represents corporate and individual fiduciaries in connection with the administration of estates and personal and charitable trusts. Diana also assists clients in preparing prenuptial and postnuptial agreements. She has participated in numerous projects involving governmental submissions in the estate, gift, and GST tax areas and serves as an expert witness in cases involving her practice areas.

Diana is a frequent lecturer and author and has spoken on a variety of topics before the American College of Trust and Estate Counsel, the Real Property, Trust and Estate Section of the American Bar Association, the Real Property, Probate and Trust Law Section of the Florida Bar, as well as various other professional organizations. She received the "Best in Wealth Management" Americas Women in Business Law Award given by IFLR/Euromoney in 2014 and 2019. She has been recognized by her peers as "a key figure in shaping the whole wealth management legal profession" and "an incredibly intelligent and creative practitioner, particularly on the tax and business restructuring side." Chambers USA Guide.

Prior to attending college and law school, Diana was a professional ballet dancer. She received her training on a full scholarship at the Joffrey Ballet School in New York, and was awarded an apprenticeship with the Company. She instead accepted an offer to join the Chicago Ballet, where she was quickly given the opportunity to perform soloist and principal roles.


  • Multi-generational wealth transfer planning
  • Business succession planning
  • International estate and pre-immigration planning
  • Estate, trust and guardianship administration and controversies
  • Estate, gift and generation-skipping tax controversies
  • Prenuptial and postnuptial agreements


Recognition & Leadership

  • The Best Lawyers in America
    • Listed, Trust and Estates; Litigation - Trusts and Estates; Tax Law, 2008-Present
    • Named, "Lawyer of the Year," Trusts and Estates, Miami, 2017
  • Euromoney
    • Winner, Legal Media Group’s Americas Women in Business Law Awards, "Best in Wealth Management," 2014, 2019-2020
    • Listed, Women in Business Law Expert Guide, 2022
    • Shortlisted, "Best in Wealth Management," 2015-2022
  • Chambers USA
    • Listed, High Net Worth Guide
      • Band 1 in Private Wealth Law, Eastern Region - USA and Florida, 2022-2023
      • Band 1 in Wealth Management nationally, 2016-2021
    • Listed, USA Guide, Band 1 in Tax, Florida, 2007-Present
    • Nominated, "Women in Law Award in Wealth Management," 2012
  • Listed, Super Lawyers magazine, Florida Super Lawyers, 2006-2023
  • Recognized, Accredited Estate Planner (Distinguished), NAEPC Estate Planning Hall of Fame, 2016
  • Listed, Florida Trend magazine "Legal Elite," Tax Law, 2011
  • Winner, South Florida Business Journal "Key Partner Award," Legal-Tax category, 2008
  • Rated, AV Preeminent® 5.0 out of 5.0
  • Academician, The International Academy of Estate and Trust Law, 2012-Present
  • American College of Trust and Estate Counsel
    • Regent, 2008-2014
    • Member, Estate and Gift Tax Committee, 2005-Present
      • Chair, 2009-2012
    • Member, International Estate Planning Committee, 2005-Present
    • Member, Fiduciary Income Tax Committee, 2007-Present
    • Member, Program Committee, 2002-2004, 2009-2011
    • Member, Nominating Committee, 2001-2002
    • Observer, Uniform Law Commission Committee on Trust Decanting, 2013-2015
  • Editorial Board Member, Trusts & Estates Magazine, 2017-Present 
  • American Bar Association-Real Property, Trust and Estate Law Section
    • Member, Committee on Governmental Submissions, 2007-2017
    • Co-Chair, Generation-Skipping Tax Committee, 2001-2007
  • The Florida Bar-Real Property, Probate and Trust Law Section
    • Member, Executive Council, 1997-2010, 2013-Present
      • ACTEC Liaison, 2013-Present
    • Member, Trust Law Committee, 1997-Present
      • Vice Chair, 1997-1999
    • Member, Estate and Trust Tax Planning Committee, 2009-Present
    • Circuit Representative, 11th Judicial Circuit, 2008-2010
  • The Society of Trust and Estate Practitioners
    • Member, 2014-Present 
  • Miami City Ballet
    • Board Member, Community Development Board, 2005-Present


  • LL.M., New York University School of Law, 1993
  • J.D., Yale Law School, 1986
  • B.A., summa cum laude, Yale University, 1982
    • Elected to Phi Beta Kappa
  • Florida
  • New York
  • Alaska