Our Attorneys

David S. Gunn

David is certified as a Tax Attorney and Estate Planning Specialist by the Louisiana Board of Legal Specialization. He primarily practices in the areas of tax and estate planning, including the drafting of wills, trusts and other estate planning documents. Over the past several decades, David frequently represented both plaintiffs and defendants in complex civil litigation and defended numerous taxpayers who were accused by the IRS or Louisiana Dept. of Revenue of a wide variety of tax crimes. In addition to tax litigation, he typically represents clients in dispute resolution, commercial litigation, and business litigation.

David is experienced in business formations, including corporations, LLCs and partnerships. He has negotiated and drafted business contracts (such as buy-sell agreements), and is experienced in sales/use tax controversies and litigation. David practiced for several years as a CPA before pursuing his law degree at the Louisiana State University Law Center.

David is frequently invited to speak about issues directly relevant to complex tax and business transactions (including sales of business entities or their business operations), and has in the past been invited to present technical presentations across South Louisiana, Dallas, Houston, Nashville, North Carolina, New York, Boston, Hawaii, and in Belize. For many years, he has been invited to speak to various attorney groups, including the Baton Rouge, Livingston Parish and Ascension Parish Bar Associations, the LSU Law Center, and to various Louisiana CPA groups. Most recently, David served as the chairman of the Tax & Estate Planning Seminar offered by the Louisiana State Bar Association on June 25th 2021.

For several years, he was asked to “grade” the examinations for certification as a Tax Law and Estate Planning Specialist for the Louisiana State Bar Association (Board of Legal Specialization). He was nominated and served three terms on the Tax Law Advisory Commission. His Law Practice (Gunn & York, with offices located in Baton Rouge) is highly respected by the Courts, the IRS, the Louisiana Dept. of Revenue, the City/Parish, and the legal and business community. David has also been nominated by his peers and selected/recognized by the Super Lawyers organization eleven times; his ethical ranking by Martindale Hubbell is AV rated (the highest possible).

Tami T. York

Tami has been a partner with Gunn & York for 24 years. Her practice focuses primarily on complex civil and criminal tax dispute resolution and representation before the IRS, Louisiana Department of Revenue, and Local Taxing Authorities. Tami’s practice also includes estate planning, where she has gained extensive experience in the drafting of wills, trusts, and other estate planning documents. She frequently handles Successions, as well as litigation related to Successions. Tami is experienced in business law including: the formation of a business (corporations, LLCs, and non-profit/tax-exempt entities), the negotiation and drafting of business contracts (such as buy-sell and redemption agreements), sales/use tax controversies and litigation, and the (recently concluded) IRS Offshore Voluntary Disclosure Program.

Tami earned her J.D. degree from LSU Law Center in 1997, where she served as Moot Court Chairman. Tami has presented numerous Seminars on topics including Federal and State (Louisiana) Offers in Compromise and Installment Agreements, State and Local Sales and Use Tax, Estate Planning & Administration/Tax Planning, and the Reporting of Real Estate Transactions to the IRS. Tami lives in Baton Rouge with her husband, Will, and her two children, Savannah and Will.

Daniel G. Gunn

Daniel joined Gunn & York in August 2025 and practices in the areas of estate planning, successions, tax law, and corporate law. Daniel’s background in accounting and taxation allows him to approach estate and business planning with a strong understanding of the underlying tax and financial considerations.

Daniel earned his Juris Doctor from the LSU Paul M. Hebert Law Center in 2025, graduating summa cum laude. While in law school, he received a Graduate Certificate in Estate Planning and Taxation, was awarded the Dean’s Award for Academic Excellence in recognition of his outstanding academic achievement, and was elected to the Order of the Coif. Daniel served as a Senior Associate on Louisiana Law Review (Volume 85) and was both a Paul M. Hebert Scholar and a Dean’s Scholar throughout his time at the Law Center.

Before law school, Daniel attended Louisiana State University, where he earned a Bachelor of Science in Accounting and a Masters of Accountancy. Daniel subsequently passed the Certified Public Accountant (CPA) Exam, and expects to receive his CPA license from the State of Louisiana soon. His training in accounting provides a solid foundation for his work with complex estate, tax, and business issues.

Daniel was born and raised in Baton Rouge and continues to make his home here. He is proud to serve individuals, families, and business owners across Louisiana and the United States.

Tami L. Trim

Tami earned her Bachelor of Arts degree in Mathematics from Cameron University in Lawton, Oklahoma in December of 2005. Tami continued her education by earning her Master of Arts degree in Secondary Education with a specialty in Mathematics in the Summer of 2007. Using this education, Tami applied her ability to understand and explain Mathematics and its application across several disciplines to teach Middle School and High School students for several years in Texas and Oklahoma.

Upon moving to Louisiana, Tami decided to use her passion and past experience in the pursuit of practicing law. Tami earned her J.D./C.D.L. degree from LSU Law Center and was admitted to the Louisiana State Bar Association in 2020. In her time at LSU Law, Tami realized she could combine her interest of helping others with her newfound enthusiasm for Successions and Estate Planning.

Tami began her practice with Gunn & York in July 2023 and is working to build additional expertise and experience in Estate Planning, Successions, Tax Law, and 1031 Exchange Transactions.

Tami lives in Baker with her husband, Bryan, and their young daughter, Elizabeth.