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Mark Thiessen

DWI, Criminal & Civil Trial Attorney

Board Certified in DUI Defense by the National College for DUI Defense

2020 - Lifetime

Charter Member & Board of Directors DUI Defense Lawyers Association

Top 3 DWI Lawyers in Houston

2020

Charter Member & Board of Directors DUI Defense Lawyers Association

Texas Super Lawyer by Thomson Reuters

2010-Present

Texas Super Lawyer by Thomson Reuters

Top 100 Super Lawyers in Texas by Thompson Reuters

2019-2020
The only DWI Attorney selected

Top 100 Super Lawyers in Texas by Thompson Reuters

Top 100 Super Lawyers in Houston by Thompson Reuters

2017-2020
The only DWI Attorney selected

Top 100 Super Lawyers in Houston by Thompson Reuters

AVVO Client’s Choice Award

2019-2021

AVVO 2019 Client’s Choice Award

Board Certified in DUI Law by DUI Defense Lawyers Association

2018 - Lifetime

Board Certified in DUI Defense by DUI Defense Lawyers Association

Board Certified in Criminal Law by Texas Board of Legal Specialization

2018 - Lifetime

Texas Board of Legal Specialization in Criminal Defense

DUI Defense Lawyers Association Secretary

2018

DUI Defense Lawyers Association Secretary

AV Rated as Preeminent Attorney by Martindale-Hubbell

2014-Present

AV Rated as Preeminent Attorney by Martindale-Hubbell

ACS-CHAL Forensic Lawyer-Scientist Graduate

2014-Lifetime

ACS-CHAL Forensic Lawyer-Scientist Graduate

The National Trial Lawyers: Top 100 Trial Lawyers

2014-Present

The National Trial Lawyers: Top 100 Trial Lawyers

Charter Member & Board of Directors DUI Defense Lawyers Association

2013-Present

Charter Member & Board of Directors DUI Defense Lawyers Association

AVVO Rated 10/10: Superb

2010-Present

AVVO Rated 10/10: Superb

Axion Laboratories Forensic Chromatography Course Graduate

2012-2014

Axion Laboratories Forensic Chromatography Course Graduate

Lawline.com Faculty Member

2011-Present

Lawline.com Faculty Member

Strathmore’s Who’s Who Lifetime Member

Lifetime

Strathmore’s Who’s Who Lifetime Member

LawQA Legal Advisor

2010-Present

LawQA Legal Advisor

Rising Star - Super Lawyer by Thomson Reuters

2010-2013

Texas Super Lawyer by Thomson Reuters

Trial Lawyers College: Closing Argument

May 2013

Trial Lawyers College: Closing Argument

Lawline.com, Furthered 40 Attorneys in the Nation

2012

Lawline.com, Furthered 40 Attorneys in the Nation

Trial Lawyers College: Voir Dire Workshop

April 2011

Trial Lawyers College: Voir Dire Workshop

Trial Lawyers College: Psychodrama Workshop

June 2010

Trial Lawyers College: Psychodrama Workshop

State Honors

TCDLA

Board of Directors

2020

TCDLA Board of Directors

TCDLA DWI Trial Warrior

2016-Present

TCDLA DWI Trial Warrior

TCDLA Associate Board Member

2014-2016

TCDLA Associate Board Member

TCDLA Board Member

2016-2019

TCDLA Board Member

American Institute of DUI/DWI Attorneys “10 Best” Attorneys for the State of Texas

2014

American Institute of DUI/DWI Attorneys “10 Best”  Attorneys for the State of Texas

TCDLA: DWI Committee Chair

2013-2018

TCDLA: DWI Committee Chair

TCDLA: Young Attorneys Co-Chair

2011-2012

TCDLA: Young Attorneys Co-Chair

The College of the State Bar of Texas

2011-Present

The College of the State Bar of Texas

Texas Monthly: Top Young Lawyers in Texas – Rising Star

2011

Texas Monthly: Top Young Lawyers in Texas – Rising Star

Forensic Science Commission

2015

Forensic Science Commission

Local Honors

HCCLA President-Elect

2020

2020 HCCLA President-Elect

HCCLA President-Elect

2019

2019 HCCLA President-Elect

Vice President of HCCLA

2018

Vice President of HCCLA

H Texas Magazine: Houston’s Top Lawyer for Criminal Defense

2014-Present

H Texas Magazine: Houston’s Top Lawyer for Criminal Defense

Houstonia Magazine Top Lawyers in Houston – Criminal Defense

2015-Present

Houstonia Magazine Top Lawyers in Houston – Criminal Defense

HCCLA: Elected Board of Directors

2012-Present

HCCLA: Elected Board of Directors

HCCLA: Unsung Hero Award

2012

HCCLA: Unsung Hero Award

HCCLA: Lead Counsel for Second Chair Program

2010-2015

HCCLA: Lead Counsel for Second Chair Program

King XXVI Krewe of Maximilian – Galveston Mardi Gras

2013

King XXVI Krewe of Maximilian – Galveston Mardi Gras

Harris County Public Defender’s Office FACT Program Mentor

2013-2015

Harris County Public Defender’s Office FACT Program Mentor

Organizations & Committees

aggressive defense