Cullen McMahon

Attorney Profile

Top Rated Personal Injury Attorney in Dallas, TX

W. Cullen McMahon, PLLC
12221 Merit Drive, Suite 945
Dallas, TX 75251
Phone: 214-810-4878
Fax: 214-810-4879
Selected to Super Lawyers: 2018 - 2021
Licensed Since: 2011
Practice Areas: Personal Injury - General: Plaintiff
Attorney Profile

Attorney Cullen McMahon is the founder and owner of W. Cullen McMahon, PLLC, in Dallas, Texas. A top-rated trial attorney with more than 12 years of experience, Mr. McMahon devotes his practice exclusively to helping his plaintiff clients recover the maximum amount of compensation for the injuries and losses they sustained as the result of someone else's negligence or wrongdoing.

Serving clients throughout the Greater Dallas-Fort Worth metroplex and all across the surrounding areas, Mr. McMahon has achieved unprecedented success advocating on behalf of those in need. Along with handling all types of serious injury and wrongful death claims resulting from preventable or avoidable accidents, he is also one of the few attorneys in the area with extensive experience handling cases involving AIDS-related litigation, such as cases resulting from blood transfusions or other accidental exposures.

A 2002 graduate of The University of Texas at Austin, Mr. McMahon attended Oklahoma City University School of Law, where he obtained his Juris Doctor in 2005. He received his license to practice from the Oklahoma Bar Association the following year and from the State Bar of Texas in 2011. He can also legally practice before all U.S. District Courts in Texas and Oklahoma as well as before the Supreme Court of Texas and the Supreme Court of Oklahoma.

Highly active in his legal community, Mr. McMahon is a member of the American Association for Justice, the East Texas Trial Lawyers Association and the Dallas Bar Association. He also serves on the board of directors for both the Texas Trial Lawyers Association and the Dallas Trial Lawyers Association, and he has served as chair for several committees within each organization.

Recognized for his exceptional contributions to his field, he received the Reich Chandler Outstanding Advocate Award from the Texas Trial Lawyers Association in 2016, and he has earned numerous other awards and honors for his professionalism and service.

Practice Areas
  • 100%Personal Injury - General: Plaintiff
Focus Areas

Animal Bites, Motor Vehicle Accidents, Personal Injury - Plaintiff, Slip and Fall, Wrongful Death, Construction Accident, Brain Injury, Trucking Accidents, Premises Liability - Plaintiff


4 Years Super Lawyers
  • Super Lawyers: 2018 - 2021

About Cullen McMahon

Admitted: 2011, Oklahoma

Professional Webpage:

Educational Background

  • The University of Texas at Austin, 2002


  • Reich Chandler Outstanding Advocate Award, Texas Trial Lawyers Association, 2016

Bar/Professional Activity

  • Dallas Trial Lawyers Association - Membership Services Committee Chair, 2019
  • Dallas Trial Lawyers Association - Mentorship Committee Chair, 2018
  • Texas Trial Lawyers Association - Advocates Committee Chair, 2017
  • Dallas Trial Lawyers Association - Communications Committee Chair, 2016
  • Texas Trial Lawyers Association - Vice President of Communications, 2014
  • Texas, 2011
  • Oklahoma, 2006
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Office Location for Cullen McMahon

12221 Merit Drive
Suite 945
Dallas, TX 75251

Phone: 214-810-4878

Fax: 214-810-4879

Last Updated: 3/17/2021

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