Thiessen Law Firm Employee Directory

Q: What is Thiessen Law Firm known for?

Thiessen Law Firm was founded in 2011. Thiessen Law Firm operates in the Law Practice industry.

Q: How many employees does Thiessen Law Firm have currently?

Thiessen Law Firm has approximately 14 employees.

Law PracticeTexas, United States11-50 Employees

The Thiessen Law Firm is a criminal defense firm based in Houston, Texas. We are distinguished by our intricate knowledge of the law and related sciences, our professionalism in and out of court, and our 24/7 commitment to our clients. 

Led by aggressive trial lawyer Mark Thiessen, the Thiessen Law Firm represents individuals facing charges that range from petty theft to murder, with a strong focus on DWI and drugs-related charges. We emphasize quality over quantity, taking as much time as needed to bring about favorable results for our clients.

As a DWI trial lawyer, Mark Thiessen is prepared for trial on any given date. He is well-versed in the rules of evidence, DWI case law and constitutional law, as well as related scientific and technical areas including anatomy, physiology, toxicology, chemistry, computer science, biology and physics.  He has received many awards and honors, including:   

•	Thomson Reuters Texas Super Lawyer, 2013 -2019
•	AVVO Rated 10/10: Superb, 2010-2019
•	Board Certified: Criminal Law - Texas Board of Legal Specialization	
•	Board Certified: DUI Defense - DUI Defense Lawyers Association, 2018	
•	Youngest elected board member for the Harris County Criminal 
        Lawyers Association (HCCLA)
•      Texas Rising Star - Texas Monthly Magazine, 2012
•	HCCLA Unsung Hero Award, 2012
•	Lawline.com, Furthered 40 Attorneys in the Nation, 2012
•	Strathmore’s Who’s Who Lifetime Member

Find Thiessen Law Firm employees' phone numbers or email addresses

Thiessen Law Firm Global Highlights

North America
16

United States Of America
16

Thiessen Law Firm's Leadership

M. P.
Partner
Mobile Phone
Email
J. G.
Marketing Director And Property Manager
Mobile Phone
Email
D. E.
Marketing Director
Mobile Phone
Email
B. A.
Marketing Director
Mobile Phone
Email
C. B.
Paralegal/Legal Operations Manager
Mobile Phone
Email
M. S.
Office Manager
Mobile Phone
Email
S. M.
Case Manager
Mobile Phone
Email
K. P.
Criminal Defense Attorney
Mobile Phone
Email

Thiessen Law Firm Employee Metrics

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2026

2025

Legal
Community & Social Services
Operations
Accounting
Administrative
Other

Contact profiles from Thiessen Law Firm

Name

Title

Contact Info

Location

Last Update

C. B.
Paralegal
Mobile Phone
Email
United StatesTexas
Dec 03, 2025
G. D. L.
Litigation Paralegal
Mobile Phone
Email
United StatesTexas
Dec 03, 2025
M. E.
Associate Attorney
Mobile Phone
Email
United StatesTexas
Jul 28, 2024

Frequently Asked Questions

What is Thiessen Law Firm known for?

Thiessen Law Firm was founded in 2011 operates in the Law Practice industry. The company's main headquarters is located in 733 East 12 Houston, Texas 77008 United States; you can contact the main corporate office by phone at

+1-713-864-****

. Explore Thiessen Law Firm's company overview page for more information.

What is Thiessen Law Firm's most common email format?

Thiessen Law Firm employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Thiessen Law Firm email formats with LeadIQ.

How many employees does Thiessen Law Firm have currently?

Thiessen Law Firm has approximately 14 employees as of February 2026. These team members are located across 1 continents, including North America.

Who are Thiessen Law Firm's key employees and leadership?

As of February 2026, Thiessen Law Firm's key employees include:

Partner: M. P.
Marketing Director And Property Manager: J. G.
Marketing Director: D. E.
Marketing Director: B. A.
Paralegal/Legal Operations Manager: C. B.

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