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Mark Ryan Thiessen

Mark Ryan Thiessen


DUI / DWI and Criminal Defense Lawyer
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Thiessen Law Firm
Houston, TX

About Mark Ryan Thiessen

Attorney Biography

Mark Thiessen is a criminal trial lawyer and the Chairman/CEO of the Thiessen Law Firm in Houston, Texas. Mark earned the American Chemical Society-Chemistry and the Law (ACS-CHAL) Forensic Lawyer-Scientist designation, which is the highest form of scientific recognition available for lawyers. Mark is a frequent legal seminar lecturer, author of numerous published legal articles, and a LawLine and HBA faculty member. Mark is the current DWI Committee chair for Texas Criminal Defense Lawyers Association (TCDLA), on the Board of Directors for Harris County Criminal Lawyers Association (HCCLA) and a Charter Member and Director for DUI Defense Lawyers Association (DUIDLA). Mark is a Texas Super Lawyer and was awarded the 2012 Unsung Hero Award by HCCLA. Mark has won DWI cases from total refusals up to a 0.24 breath test, 0.23 GC blood test, and a 0.28 hospital enzymatic assay blood test.


Practice Areas

 
DUI / DWI / Drunk Driving (35%)
 
Criminal Defense (28%)
 
Family Law (11%)
 
Personal Injury (8%)
 
Federal Crimes (7%)
 
Domestic Violence (6%)
 
Drug Crimes (5%)
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Résumé - Mark Ryan Thiessen

Bar Licenses

Texas State Bar
Texas
Member in Good Standing
2003

Work Experience

Thiessen Law Firm
Attorney/CEO
2012

Education

South Texas College of Law
South Texas College of Law
JD
2003

Texas Christian University
BBA
2000

Kinkaid School
1996

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Specialty Certifications

Texas Board of Legal Specialization
Board Certified Specialist
Criminal Law
Texas Board of Legal Specialization
2019

Associations

Texas Criminal Defense Lawyers Association
Member
Texas Criminal Defense Lawyers Association
2006

Harris County Criminal Lawyer's Association
Board Member
Harris County Criminal Lawyer's Association
2005

National Association of Criminal Defense Lawyers
Member
National Association of Criminal Defense Lawyers

National College for DUI Defense
General Member
National College for DUI Defense

DUI Defense Lawyers Association
Charter Member
DUI Defense Lawyers Association

Lawyer Scientist
American Chemical Society, Axion Training Institute
2014

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Awards & Recognitions

American Chemical Society,<br /> Chemistry and the Law Division
Earned Designation -
ACS-CHAL Lawyer-Scientist
American Chemical Society,
Chemistry and the Law Division
2014

Super Lawyer
Thompson Reuters/ Texas Monthly
2015

Super Lawyer
Thompson Reuters/ Texas Monthly
2014

Super Lawyer
Thompson Reuters/ Texas Monthly
2013

Unsung Hero
Harris County Criminal Lawyers Association
2012

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Reviews - Mark Ryan Thiessen

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Attorney Endorsements

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Contact Mark Ryan Thiessen

Mark Ryan Thiessen
Thiessen Law Firm
1220 Studewood
Houston, TX 77008
www.dwimark.com
Office: 713-864-9000
Fax: 713-864-9006

More Information

Bar Membership Information

Texas Bar Membership -

Mark Ryan Thiessen - Membership information with The State Bar of Texas - Find more information about Mark Ryan Thiessen on The State Bar of Texas website including status and disciplinary history.


Specialty Certifications

Specialty Certification Information -

Mark Ryan Thiessen - Profile with the Texas Board of Legal Specialization - Find more information about Mark Ryan Thiessen's board certification on the TBLS website.


Nonprofit Organizations

National Association of Criminal Defense Lawyers -

Founded in 1958, NACDL is the largest organization for criminal defense lawyers fighting to preserve fairness within America's criminal justice system. The organization has more than 10,000 direct members including criminal defense attorneys in private practice, public defenders in state or federal court, U.S. military defense counsel, law professors and judges.


Texas Criminal Defense Lawyers Association -

TCDLA has a proud history of supporting and educating criminal defense lawyers in the the state while advocating for the rights of the accused. Many of the top criminal defense attorneys in Texas are active within this organization.


National College for DUI Defense, Inc. -

The NCDD is the largest non-profit, professional organization of criminal defense attorneys focused specifically on defending DUI / DWI and drunk driving related criminal charges throughout the United States and Canada.


DUI Defense Lawyers Association -

The DUI Defense Lawyers Association, Inc. (DUIDLA) was founded in 2014 by a group of 27 charter members. The group prides itself on the quality of its Spring and Fall CLE seminars which help train hundreds of dedicated drunk driving defense attorneys on innovative techniques for fighting these unique and complicated criminal offenses.



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