Diana S.C. Zeydel

Diana S.C. Zeydel


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

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. 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
Read More +


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
    • Shortlisted, "Best in Wealth Management," 2015-2018
  • Chambers USA
    • Listed,  High New Worth Guide, Band 1 in Wealth Management, Eastern Region, 2016-Present
    • 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-Present
  • 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

°AV®, AV Preeminent®, Martindale-Hubbell DistinguishedSM and Martindale-Hubbell NotableSM are certification marks used under license in accordance with the Martindale-Hubbell® certification procedures, standards and policies.

  • 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-Present
    • 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