Barrett Thomas is a Senior Attorney with Mueller Family Law Group and manages the Waco location. His practice includes family law litigation and mediation. He frequently assists clients in both criminal and family cases involving incidents of family violence and domestic assault. Barrett is an award-winning, experienced investigator and litigator with over 22 years of law enforcement and legal experience. He is a former First Assistant District Attorney and Chief of Police. Barrett left criminal prosecution in 2015 to use his investigative skills and trial acumen for the benefit of his many family and criminal law clients.

Prior to joining MFLG, Barrett earned a Doctor of Jurisprudence from Texas Tech University, a Master’s Degree in Criminal Justice from Tarleton State University, a Bachelor’s from Hardin-Simmons University, and both a Master’s Peace Officer and Instructor’s Certificate from the Texas Commission on Law Enforcement. He is currently a second-year graduate student in the Marriage and Family Counseling Program at Texas Wesleyan University.

Barrett has given back to his profession and community through service as a Director of the State Bar of Texas; a Director on the Texas Bar Foundation; President of the Texas Young Lawyers Association; President of the Hardin-Simmons University Board of Alumni; a Member of the Region 8 Grievance Committee for the State Bar of Texas; and a Director for the Advocacy Center for Crime Victims and Children. He has also continued to serve as a volunteer guest lecturer and instructor at various colleges and law enforcement academies. He is currently serves on the Board of Directors for the McLennan County ARC and Mission Waco, and on the Administrative Board of Austin Avenue Methodist Church.

Barrett has been recognized for his personal and professional successes by being named a SuperLawyer by Super Lawyers® Magazine year after year; one of the “Best in Waco” for the last 6 years; an Outstanding Young Alumnus of Hardin-Simmons University in 2019; a member of the Leadership Waco Class of 2018; and the Graduate of the Last Decade (G.O.L.D.) award from Texas Tech University School of Law in 2017. He was voted the Outstanding Young Lawyer in 2014 by the Abilene Young Lawyers Association and received the Bob Black Bar Leaders Award from Texas Tech University School of Law in the same year.

EDUCATION

• Texas Wesleyan University, Current Graduate Student
• Texas Tech University, J.D., 2008
• Tarleton State University, M.S., 2004
• McLennan Community College Law Enforcement Academy, 2004
• Hardin-Simmons University, B.A., 2001

BAR ADMISSIONS

• Texas

AWARDS

• Selected to Super Lawyers® (2021-Current)
• Selected to Super Lawyers® Rising Stars (2017-2019)
• Named in the Top 3 "Best in Waco" in the Wacoan (2020-2026)
• Outstanding Young Lawyer by the Abilene Young Lawyers Association (2014)
• Bob Black Bar Leaders Award from Texas Tech University School of Law (2014)

MEMBERSHIPS

Member, Texas Bar College (2021-Current)

• Board of Directors, McLennan County ARC (2026-Current)
• Board of Trustees, Harbor Christian Academy (2026-Current)
• Administrative Board, Austin Avenue Methodist (2025-Current)
• Board of Directors, Mission Waco (2025-Current)
• Jury Service Committee for the State Bar of Texas (2024-2025)
• Board of Directors, Advocacy Center for Crime Victims and Children (2021-23)
• Member, Region 8 Grievance Committee for the State Bar of Texas (2018-23)
• President, Hardin-Simmons University Alumni Association (2023)
• Board of Directors, Hardin-Simmons University Alumni Association (2019-24)
• Board of Directors, Texas Bar Foundation (2019-22)
• Outstanding Young Alumni Award, Hardin-Simmons University (2019)
• Leadership Waco Class XXXV (2018)
• President, Texas Young Lawyers Association (2015-2016)
• Executive Committee, State Bar of Texas (2014-2017)
• Waco Chamber LEAD Mentor (2015-2016)
• President-Elect, Texas Young Lawyer’s Association (2014-2015)
• Committee Member, SBoT Criminal Pattern Jury Instruction Committee (2014-2015)