Dr. Roys graduated from the University of Texas with a BA Degree in Biology in 1990. She earned her medical doctor (M.D.) degree at the University of Texas in 1994. She completed her diagnostic radiology residency at the University of Texas Southwestern Medical Center in 1998. She also completed a fellowship in Abdominal Imaging at the University of Washington in 1999.

Dr. Roys is certified by the American Board of Radiology.