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About me

The National Trial Lawyers Association named Kyle Therrian as a “Top 40 under 40” in his practice in 2014. Kyle focuses his practice on representing individuals in both pending criminal cases and in criminal appeals. This is a dual-threat approach to criminal law. As an attorney who handles criminal appeals, Kyle has a reputation in the trial courts as an attorney who will take his cases to the next level when necessary. This provides value to clients with pending criminal matters who are hoping to convince a prosecutor for a favorable outcome or persuade a judge that their rights were violated.

As a criminal attorney, Kyle combines aggressiveness and experience as a trial attorney with the finesse and savvy of an advocate to address the unique concerns of each individual client. Being well-prepared and remaining several steps ahead is his motto as well as what his client’s expect.

When Kyle is not practicing law he volunteers as a Teen Court Judge and is a member of the Collin County Bail Bond Board. Kyle also contributes to the “Voice for the Defense” magazine published by the Texas Criminal Defense Lawyer’s Association.

Kyle Therrian attended law school at the University of Oklahoma where he was recognized as one of the top oral advocates in his class and inducted into the Order of Solicitors. While attending law school, he focused his legal education on the practice of Criminal and Constitutional Law. Kyle was the named the Captain of the OU’s prestigious White Collar Crime Mock Trial Team, and was invited to compete in the Black Law Student Association’s regional mock trial competition where he received the honor of “Best Advocate.”

Outside of the firm Kyle manages and plays goalie for a local hockey team. He is also busy prepping his team for another state championship win at the Statewide Teen Court Mock Trial Competition.


Photos and videos

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Practice areas


  1. Criminal Defense: 50%
    6 years
  2. Litigation: 25%
    6 years
  3. Federal Crime: 15%
  4. Appeals: 10%
    4 years



Free consultation (60 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

16 total 

Are you an attorney? Endorse this lawyer

  • Justin Barrett Wilson

    Kyle is an excellent attorney. He fights the prosecution and is a zealous advocate for his clients.


    Justin Wilson Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Edward Andrew Kalabus Jr.

    Kyle has dedicated his practice to the defense of those charged with criminal offenses. His clients are greatly benefitted by his thorough legal analysis and strong communication skills. Kyle is not only a strong litigator at the trial court level, but also experienced in handling appeals. I endorse this Kyle.


    Edward Kalabus Criminal defense Attorney
    Relationship: Fellow lawyer in community

Contact info

Rosenthal & Wadas, PLLC

4500 Eldorado Parkway, Ste 3100
McKinney, TX, 75070

Rosenthal & Wadas, PLLC

4500 Eldorado Parkway
Suite 3000
McKinney, TX, 75070



TXEligible To Practice In Texas 201008/17/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
40 Under 40National Trial Lawyers2014
President's Volunteer Service AwardPresident's Council on Service and Civic Participation2012
Order of the SolicitorsUniversity of Oklahoma College of Law2010
Work experience
TitleCompany nameDuration
Volunteer JudgeCollin County Teen Court2012 - Present
AttorneyThe Therrian Law Firm, PLLC2011 - Present
AttorneyCollin County District Attorney's Office2011 - 2011
Association namePosition nameDuration
McKinney Bar AssociationPresident - Elect2016 - Present
Collin County Bail Bond BoardBoard Member2016 - Present
College of the State Bar of TexasMember2014 - Present
National Trial Lawyers AssociationMember2014 - Present
National College of DUI DefenseMember2012 - Present
Collin County Criminal Defense Lawyers AssociationMember2011 - Present
Texas Criminal Defense Lawyers AssociationMember2011 - Present
Legal cases
Case nameOutcome
Violation of a Protective OrderMotion to quash granted
Assault Family ViolenceNot guilty
DWI DrugsNot Guilty
See all legal cases 
Publication nameTitleDate
TCDLA Voice for the DefenseShifting Burdens of Proof in a Motion to Suppress2015
Nuts and Bolts of Criminal Office ManagementTechnology We Can All Use2015
School nameMajorDegreeGraduated
University of Oklahoma College of LawLawJD - Juris DoctorN/A
Speaking engagements
Conference nameTitleDate
Nuts and Bolts of Criminal Law Office ManagementTechnology We Can All Use2015
Collin County Criminal Defense Lawyers Association Monthly CLE and LuncheonTexas Nondisclosures: 2015 Amendments2015
Induction Week for Incoming Law StudentsPracticing Law Within Five Years of Licensure2014
Collin County Teen Court Reception and Awards BanquetKeynote: Providing Opportunities to Young Adults2013