Guy A. Thiessen

Guy A. Thiessen

GT Law Firm • OK
HealthcarePersonal Injury

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Contact

Email
Phone
(918) 398-4039
Address
OK, US

Professional

About

Guy A. Thiessen, a seasoned attorney based in Oklahoma, brings over three decades of experience to the realm of healthcare law, specializing in wrongful death and catastrophic injury cases. As the driving force behind GT Law Firm, Guy has dedicated his career to advocating for the rights of injured clients and their families, demonstrating an unwavering commitment to justice and accountability. His extensive practice primarily addresses cases arising from the tragic consequences of healthcare facility malpractice, where negligence in nursing homes, hospitals, assisted living centers, and other healthcare establishments can lead to devastating outcomes. Guy's expertise in this complex area of law allows him to navigate the intricacies of each case with precision, ensuring that his clients receive the support and compensation they deserve. In addition to healthcare-related claims, Guy has successfully handled a wide range of personal injury cases, including those involving serious accidents caused by negligent drivers—whether they be in cars, on motorcycles, or behind the wheels of semi-trucks. His adept understanding of the legal landscape surrounding these incidents enables him to effectively represent clients facing life-altering injuries. Guy A. Thiessen’s dedication to his clients and his relentless pursuit of justice have earned him a reputation as a trusted advocate in Oklahoma. His ability to blend compassion with legal expertise ensures that every client receives the personalized attention and vigorous representation needed during their most challenging times.

Updated: Mar 20, 2026