About
John B. Howell III is an attorney based in Mississippi, focusing on commercial litigation, estate matters, and appellate advocacy. He provides thoughtful and strategic legal representation, helping clients address complex disputes with clear guidance and a strong commitment to achieving effective results.
John earned his J.D., summa cum laude, from Mississippi College School of Law. He also received a Master of Science in Counseling Psychology, summa cum laude, and a Bachelor of Arts in Christian Studies and History, summa cum laude, from Mississippi College.
John handles a wide range of legal matters, including commercial litigation, labor and employment disputes, professional liability, general tort litigation, and product liability. He also works in estate planning, probate and estate administration, business formation, and will and trust disputes.
John has received many honors, including AV Preeminent Peer Review Rating by Martindale-Hubbell, Super Lawyers recognition since 2014, and inclusion in The Best Lawyers in America for commercial litigation, trusts and estates litigation, and appellate practice. He also earned thirteen American Jurisprudence Awards.
John served as Editor-in-Chief of the Mississippi College Law Review and completed clerkships with the Honorable Daniel A. Manion of the United States Court of Appeals for the Seventh Circuit and the Honorable David C. Bramlette III of the United States District Court.
John is active in professional and community organizations, including the Federalist Society, the South Central Mississippi Bar Association, and Mission First. He also serves as a mentor at United Christian Academy, reflecting his commitment to service and leadership.
John B. Howell III provides clients with strong legal insight, careful preparation, and dedicated advocacy. His experience across complex litigation and appellate matters allows him to guide clients through challenging legal issues with confidence and clarity.
Law Office Affiliations
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Attorney, Jackson, Tullos, Morgan Howell & Guice, PLLC
- Member, The Mississippi Bar
- Member, South Central Mississippi Bar Association
- Member, The Federalist Society for Law & Public Policy Studies
Licensed State
- Mississippi
Education
- Mississippi College School of Law
Juris Doctor (JD) - Mississippi College
Master of Science (MS) - Mississippi College
Bachelor of Arts (BA)
Awards & Badges



- Employment Litigation
- Power of Attorney
- Probate
- Trusts
- Wills And Living Wills
- Appeals
- Litigation
- Business Litigation
- Professional Liability
- Products Liability




