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Mark Thiessen

DWI, Criminal & Civil Trial Attorney


Channel 13

Thiessen represents: Dad Confronts Accusations of Telling Son to Beat Up Another Student

KHOU Channel 11

Click 2 Houston

FOX 26

CW 39

Waco Tribune-Herald





Houston Press

Houston Chronicle

Comcast 17 – Houston Media Source

TCDLA Reasonable Doubt

Press Releases

September 28, 2017

Houston Attorney Mark Thiessen Wins Fifth Consecutive Super Lawyers Award and Makes Top 100 Lawyers in Houston

Criminal Defense Attorney Mark Thiessen is the only DWI Attorney to rank in Top 100 for prestigious Thomson Reuters Award

October 24, 2016

Attorney Mark Thiessen Receives 4th Consecutive Super Lawyers Honor

Houston lawyer recognized by peers for professional excellence

July 5, 2016

Houston Criminal Defense Attorney Achieves Five Not Guilty Verdicts in Prominent Case

Largest intoxication manslaughter victory in Harris County history

November 5, 2015

Most Recent Notable Victories for Mark Thiessen

Local criminal defense attorney, Mark Thiessen, of the Thiessen Law Firm earned four not guilty verdicts back-to-back in October

February 23, 2015

Mark Thiessen Achieves Personal Best

Top notch Houston criminal defense attorney Mark Thiessen earns new personal record: Four not guilty verdicts in 12 business day

aggressive defense