John O'Hearn, Chief Executive Officer

Tremayne “Trey” Myles is the chief executive officer of Select Specialty Hospital – Dallas. He was promoted to the role in 2021 after serving as interim chief executive. Previously, Trey spent two years as the hospital’s chief nursing officer and the past year as the Dallas market chief nursing officer.

Earlier, he held leadership roles of increasing responsibility including nurse manager in the progressive care unit at Baylor Scott & White, Carrollton, Texas, clinical director in the cardiac intensive care unit at Christus Ochsner Saint Patrick in Louisiana and nursing supervisor on the medical/surgical intensive care unit at Medical City Healthcare in Dallas. Trey also worked four years as a floor nurse in Texas and Louisiana.

Additionally, he spent eight years in the United States Army Armor Division, attaining the rank of sergeant and serving in Operation Iraqi Freedom combat operations.

Trey earned an associate of nursing degree from Southern University, Bachelor of Science in nursing from Liberty University, Master of Science in nursing leadership and management from Western Governors University and doctorate from Texas Tech University Health Sciences Center.


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Select Specialty Hospital is a critical illness recovery hospital, specializing in helping critically ill patients breathe, speak, eat, walk and think as independently as possible.