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John J. Kappel

A Dallas native, John earned a Bachelor of Science in Economics from Baylor University. He returned to Dallas to attend law school and received his Juris Doctorate cum laude from SMU Dedman School of Law. While in law school, he served as an Articles Editor for the SMU International Law Review Association. John worked on a variety of different types of litigation while in law school including: personal injury, business and commercial litigation, insurance defense, and consumer fraud prosecution. During his final year of law school, John served as a Student Attorney at the SMU Civil Clinic, assisting clients in the Dallas area John was first exposed to family law while working as a judicial intern in Collin County. He quickly developed an interest and passion for family law. John elected to practice family law so he could represent people going through, potentially, the worst experience of their lives and see them through to the other side.

John enjoys golfing, playing chess, and science fiction.


  • Dallas Bar Association – Family Law and Alternative Dispute Resolution Sections
  • Dallas Association of Young Lawyers
  • Collin County Bar Association
  • Collin County Young Lawyers Association
  • Baylor Young Professionals of Dallas

Office Location

Campbell Centre I, North Tower

8350 N. Central Expressway

Suite 1100

Dallas, Texas 75206

Phone: 214.520.8100

Facsimile: 214.520.6565


Our Office Location

Holmes, Diggs & Sadler
5300 Memorial Dr #900
Houston, TX 77007
Phone: (713) 802-1777

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