Dr. Roark is board-certified in dermatology by the American Board of Dermatology. He graduated from the University of Texas at Austin with a Bachelor of Science in Electrical Engineering in 1981 and practiced engineering for a time before attending medical school at UT Southwestern Medical School in Dallas, Texas. He interned in Internal Medicine at Presbyterian Hospital, Dallas, then completed his Dermatology residency at Baylor College of Medicine in the Texas Medical Center in Houston, Texas.
Dr. Roark is a member of the Travis County Medical Society and the Texas Medical Association. He is also a member of the Austin Dermatology Society, the American Contact Dermatitis Society and the American Academy of Dermatology.