John D. Gast has decades of experience working with families as they plan their estates. John has lived in Southwest Florida for over 35 years and concentrates his practice on estate planning, charitable gift planning, life insurance, domicile planning, probate litigation, trust and estate settlement and taxation.
John knows each family is different and works with them to craft a custom plan that fits their individual needs.
Professional History
Partner, Hahn Loeser & Parks LLP, 2020 – present
Partner, Brennan, Manna & Diamond, PL, 2008- 2020
Partner, Fowler White Boggs Banker, 2005-2008
Executive Vice President, Head of SWFL Wealth Management, Suntrust Bank, 1999 – 2005
Board Member/ past Chairman of the Board, David Lawrence Center, 1991 t0 2013
Gift Planning Member, Conservancy of Southwest Florida, 2005 to 2008
Professor, Edison Community College, Business Law & Micro Economics, Professor of the Year, 1993 & 1995
Awards & Distinctions
The Best Lawyers in America®, Litigation – Trusts and Estates, 2013-27; Trusts and Estates, 2024-27
Top Lawyer, Naples Illustrated, Trusts and Estates, 2022, 2025-2026
Bar Admissions
State of Florida
State of Ohio
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