Mark A. Teague

Mark A. Teague

ISLN: 913359578

Mark Teague is a seasoned courtroom advocate with the firm. He brings something unique to the table, given his background in law enforcement. He served as a peace officer in Oklahoma while attending law school.

Mark received his law degree in criminal justice from the University of Tulsa College of Law. He earned an undergraduate degree from Southwest Texas State University. He also worked as an Assistant County Attorney in Grayson County before entering private practice. He’s been part of The LeCrone Law Firm since 2005.


Professional Accreditation

  • State Bar of Oklahoma, 2004
  • State Bar of Texas, 1997
  • U.S. District Court, Eastern District of Texas, 1997
  • U.S. District Court, Northern District of Texas, 1997
  • State of Oklahoma, 1995, Probation and Parole Officer
  • State of Oklahoma, 1994, Peace Officer


  • Juris Doctor, University of Tulsa College of Law, 1996
  • Bachelor of Arts, Southwest Texas State University, 1989

Memberships and Affiliations

  • Grayson County Bar Association, Past President/Member
  • Grayson County Child Welfare Board, President
  • Juvenile Alternatives, Past Board member
  • Texas District and County Attorney’s Association, Past member
  • American Board of Trial Advocates 

Community Involvement

  • Substitute Judge, Municipal Court, City of Sherman (2017-present)
  • President, Grayson County Child Welfare Board (2002-present)

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123 N. Crockett, Suite 200, Sherman, TX 75090
| Phone: 903.813.1900

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