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About me

Dallas personal injury lawyer Greg Marks is dedicted to helping victims and their families get the compensation you deserve.


Greg began his career as an engineer for offshore drilling companies. While he enjoyed the problem solving he did for his company, he desired to help others.  It was this desire that lead him to SMU's Dedman School of Law, where he graduated in the top 15 percent of his class.


Upon graduation, Greg went to work in a prestigious downtown Dallas firm, representing large businesses, doctors and insurance companies. While this experience on the other side of the courtroom has proven invaluable, Greg soon realized he wanted to represent individuals and their families.


For more than 17 years as a Dallas personal injury lawyer, Greg has dedicated his practice to fighting for victims of car accidents, vehicle defects, truck accidents, construction accidents, wrongful death and other catastrophic accidents.


Greg is especially proud of the work he has done exposing vehicle and product defects and enacting changes that ultimately save lives.


He is a proud husband, father of two and board member of both the Texas Trial Lawyers Association and the Dallas Trial Lawyers Association.


Practice areas


  1. Defective and Dangerous Products: 40%
  2. Personal Injury: 30%
  3. Litigation: 20%
  4. Car Accidents: 5%
  5. Medical Malpractice: 5%



Contingent (33-45%)

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Contact info

Guajardo & Marks LLP

13355 Noel Rd.
Suite 1370
Dallas, TX, 75240


TXEligible To Practice In Texas 198710/19/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Law FirmU.S. News and World Reports2015
Nation's Top One PercentNational Association of Distinguished Counsel2015
Super LawyerThomson Reuters2014
Best Lawyers in AmericaBest Lawyers in America2014
Best LawyerD Magazine2014
Best LawyerD Magazine2014
Super LawyerThomson Reuters2013
Super LawyerThomson Reuters2012
Best LawyerD Magazine2012
Super LawyersThomson Reuters2011
Super LawyersThomson Reuters2010
Super LawyersThomson Reuters2009
Super LawyersThomson Reuters2008
Super LawyersThomson Reuters2007
Super LawyersThomson Reuters2006
Work experience
TitleCompany nameDuration
PartnerGuajardo & Marks, LLP2011 - Present
Association namePosition nameDuration
Texas Trial Lawyers AssociationBoard Member2005 - Present
Dallas Bar AssociationMemberN/A
American Bar AssociationMemberN/A
State Bar of TexasMemberN/A
Association of Trial Lawyers of AmericaMemberN/A
Dallas Trial Lawyers AssociationBoard MemberN/A
National Association of Personal Injury LawyersMemberN/A
Texas Board of Legal SpecializationPersonal Injury Trial LawN/A
Publication nameTitleDate
St. Mary's Law Journal, Vol. 36, No. 2"Determining the Interminate Defect,"2005
School nameMajorDegreeGraduated
Southern Methodist University, Dedman School of LawLawJD - Juris Doctor1987
Texas A&M UniversityN/AB.S.C.E1981