Derrick D. Long

Attorney at Thomas J. Henry Law's San Antonio Office

Mr. Derrick D. Long completed his Doctor of Jurisprudence at Thurgood Marshall School of Law and also holds a Master of Business Administration from University of Dallas and a Bachelor of Corporate Communication & Business Administration from University of Texas. During law school, Mr. Long was a member of the Law Journal  and worked as a clinical attorney drafting petitions, motions, and orders and communicating with courts, attorneys, and opposing counsel.

Prior to joining Thomas J. Henry, Mr. Long worked as an attorney for a nationwide debt collection firm that handled debt collection for major banks. He was responsible for various stages of the ligation process, including drafting motions and pleadings, attending trials, and obtaining judgment and favorable rulings.

As an attorney with Thomas J. Henry, Mr. Long currently focuses his practice on the representation of clients injured in auto and company vehicle accidents, trucking accidents, premises liability accidents, and workplace accidents.



  • State Bar of Texas


  • Thurgood Marshall School of Law, Texas Southern University, Houston, Texas (J.D.)
  • University of Dallas, Irving, Texas (M.B.A.)
  • University of Texas, Austin, Texas (B.B.A.)


Mr. Derrick D. Long and our team of San Antonio injury attorneys are located at 5711 University Heights Blvd., Suite 101, San Antonio, Texas 78249. We provide free walk-in case consultations Monday – Friday, 8:00am – 6:00pm. To start a consultation over the phone or to speak with your attorney, call 210-874-2615.

See what our clients have to say about their experience working with their legal team in San Antonio:

Professional; updated frequently; the best! Highly recommended. — Benjamin Fleming

My team was very great helped me through this experience i had. explained and help me understand was the helping hand i needed — Conrad Valderrama

A plus Attorney at Law. Mr Henry has an extensive law knowledge. Very personable, staff is friendly, I give them a “10” overall. — Mary Moya

The firm was very detailed about what I would get. It took some time to close out the case, but they were very helpful and professional. — Kelly Petcavage

Extremely satisfied with the representation of Thomas J. Henry and all of the attorneys, staff and the team that worked on my case. — Perfecto Arce Jr

They helped me with everything I needed. Questions and concerns. This was my first time ever being in an accident and they walked me through it. Definitely recommend to anyone needing help! — Teresa King

If you are in need of an injury law firm, TJH should be your first call. They are one of the highest rated firms in the nation, and will work hard for you. — Barbara Murphy

Thomas J. Henry is the best law firm in Texas! Very friendly staff. His team has a heart of gold and is ALWAYS giving back to the community! Highly recommend his team to take care of your needs! — Coral Barron

Even though it was a long road I am glad I choose Thomas J. Henry as my lawyer to handle my case and seek justice with a drunk driver who could have take my life. All of the attorney’s were professional and very knowledgeable. — Tiffany Guitron

TJH helped me after I was rear ended by a motorist on the freeway. They kept me informed of the legal process and made me feel confident that my needs were a priority. I would recommend their services to anyone in need of legal guidance. — Melinda Aguilar

They have done an amazing job. Provided all the help, and was very helpful with all the medical needs and showed empathy as a client. Provided all the necessary information that was helpful. As well generous to my family and I. The settlement was a very quickly and they were trying there best to get the best results. Thank you. – D. Guierrez

I found that my experience with Thomas J. Henry was nothing but excellent and positive. I literally was taken care of from the very beginning. I was involved in an accident in which left me with neck and spinal injuries in which I had no idea where to turn. Every one at the law firm helped me immensely and genuinely cared about me. i highly recommend this law firm to anyone who has been injured in an accident. — Julia Rojas Ramirez

Black and white portrait photo of Thomas J. Henry Attorney Derrick D. Long

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