Devoted To Your Legal Needs

photo of attorney M. Dinorah Diaz with her dog

Maria Dinorah Diaz

Contact Me:


  • English
  • Spanish

Practice Areas

  • Divorce/Family Law
  • Personal Injury Law
  • Criminal Law


  • Reynaldo Garza Law School, Edinburg, Texas
    • Juris Doctor - 1989
  • Women’s Campaign School at Yale University
    • 2009
  • University of Texas at Austin
    • B.A., Bachelor of Arts - 1985
  • University of Houston International Law Studies, Mexico City, Mexico
    • 1988
  • Catholic University, Valencia, Spain
    • 1985
  • El Technológico De Monterrey, Nuevo Leon, Mexico
    • 1983

Bar Admissions

  • Supreme Court of Texas, 1991
  • U.S. District Court Western District of Texas, 2002

Professional Associations

  • Mexican American Bar Association, Former Member
  • San Antonio Progressive Voters League, Former President
  • Texas Trial Lawyers Association, Former Member
  • Texas Young Lawyers Association, Former Member
  • Criminal Defense Lawyers Association
  • Dellview area neighborhood association, Former Board Member and Former Secretary
  • National Hispanic Bar Association

Pro-Bono Activities

  • Small, Minority and Women-Owned Business Enterprise (SMWBE) of Bexar County Texas. Advisory Committee board member appointed by Commissioner Tommy Calvert. Present Board Member.
  • Participation as a SWMBE board member is an advisory commission and make recommendations to the Commissioners Court on various issues and policies concerning and impacting the SMWBE Program and its activity.
  • Property donor to Victory Outreach
  • “Can We Talk”, fund-raising donated trip (coalition of women’s organizations) mid 90’s ● Mentor Mentee program of the Mexican American Bar Association with Tafolla Middle School (1991-1992)
  • Hugh O’Brien Youth Leadership Program (1994)
  • Provided funding for grassroots and neighborhood groups to re-open Early Voting Locations in the 1998 Primary for equal voting access to citizens
  • East side Rapid Response Team Member
  • “Get Out the Vote” effort / Early Voting effort
  • Helped organize the “Higher Education Issue” to provide for greater higher education in South Texas by coordinating and working with MALDEF with Potential Plaintiffs in Hidalgo and Cameron Counties (1987)
  • Pro-bono work