Currently, Tristan has oversight of the trial division of Dau & Haeggquist Law Firm in Beaumont, Houston, Austin and San Antonio, Texas. He is responsible for developing each client's case, guiding those accused through the criminal and civil justice system and zealously defending their rights.

His work also includes advising entrepreneurs in the development of their small businesses. This includes everything from an explanation of the legal effect of choosing one business association over another to reviewing and drafting legal documents such as leases, contracts, trademarks, operational agreements etc. 

Tristan graduated from the University of St. Mary's Law School and went straight into criminal practice. Tristan attained a Bachelor’s Degree in Government & Economics from The University of Texas in Austin. Right after college, he began his career as an Austin Police officer and remained in law enforcement for approximately four years. During his tenure as a police officer, he conducted criminal investigations which led to a significant number of arrests for DWI and drug related incidents. Tristan is well versed in the policies, procedures and investigation tactics of the police and has received several commendations for his service as a police officer. He remarks, “I was one of them. I got their playbook. I know their strategies.”