
Garrett D. Lessman
Practice Areas
Experience
- Business Succession Planning
- Fiduciary Advice & Counsel
- Tax Transactional and M&A
Biography
Garrett Lessman is an associate in the Tax Transactional, M&A, and Wealth Planning Advisory Group of Jackson Walker’s Dallas office. His practice focuses on the tax aspects of domestic and international transactions and extends to trust and estate planning strategies, general corporate matters, and nonprofit entities.
Prior to Jackson Walker, Garrett practiced at an Oklahoma law firm, where he handled a wide range of tax, estate planning, and corporate matters.
Education
B.B.A., Baylor University
- National Merit Scholar
J.D., Boston University School of Law
- Edward F. Hennessey Distinguished Scholar
LL.M., Taxation, Boston University School of Law
Bar Admissions
Oklahoma
Tax Experience
- Corporate, partnership and self-employment tax issues
- State tax credits
- Opportunity zone investments
- International tax withholding mechanics
Corporate Experience
- Negotiating and drafting M&A agreements
- International distribution agreements
Wealth Planning Experience
- Business succession and wealth planning
- Preparation of wills, trust agreements and incapacity planning documents
- Probate of estates
- Best Lawyers: Ones to Watch (Woodward/White Inc.), 2024-2026
- Tax Law, 2024-2026
- Trusts and Estates, 2024-2026

August 21, 2025
Attorney News
‘The Best Lawyers in America’ Features 350 Jackson Walker Attorneys in 2026 Edition, Including 10 “Lawyers of the Year” and 106 “Ones to Watch”
The Best Lawyers in America, a widely regarded guide to legal excellence, has recognized 350 Jackson Walker attorneys across 87 specialty practice areas in its 2026 edition, including 10 Lawyers of the Year and 106 Ones to Watch.

August 15, 2024
Attorney News
‘The Best Lawyers in America’ Features 306 Jackson Walker Attorneys in 2025 Edition, Including 9 “Lawyers of the Year” and 75 “Ones to Watch”
The Best Lawyers in America has recognized 306 Jackson Walker attorneys across 81 specialty practice areas in its 2025 edition, including 9 Lawyers of the Year and 75 Ones to Watch. In this year’s guide, Jackson Walker saw the largest number of attorneys in the areas of Commercial Litigation (75 attorneys) and Real Estate Law (55 attorneys) and the addition of 27 attorneys as Best Lawyers.

December 4, 2023
Newsletters
JW Diversity & Inclusion Newsletter – December 2023
View Jackson Walker’s December 2023 Diversity & Inclusion Newsletter, Perspectives.

August 17, 2023
Attorney News
‘The Best Lawyers in America’ Honors 287 Jackson Walker Attorneys in 2024 Edition, Including 12 “Lawyers of the Year” and 80 “Ones to Watch”
The Best Lawyers in America has recognized 287 Jackson Walker attorneys across 5 offices and 82 specialty practice areas in its 2024 edition, including 12 Lawyers of the Year and 80 Ones to Watch. In this year’s guide, Jackson Walker saw the largest number of attorneys in the areas of Commercial Litigation (66 attorneys) and Real Estate Law (60 attorneys) and the addition of 35 attorneys as Best Lawyers.
Practice Experience
Tax Experience
- Corporate, partnership and self-employment tax issues
- State tax credits
- Opportunity zone investments
- International tax withholding mechanics
Corporate Experience
- Negotiating and drafting M&A agreements
- International distribution agreements
Wealth Planning Experience
- Business succession and wealth planning
- Preparation of wills, trust agreements and incapacity planning documents
- Probate of estates
Recognition & Accolades
- Best Lawyers: Ones to Watch (Woodward/White Inc.), 2024-2026
- Tax Law, 2024-2026
- Trusts and Estates, 2024-2026