Dr. Gillean is a native Texan, growing up in San Antonio, TX. She received her undergraduate degree from The University of Texas in Austin in 1990.

She graduated from The University of Texas Southwestern Medical School in Dallas in 1998 with her Medical Degree.

Dr. Gillean has lived in Rockwall and practiced in the area for over ten years. She is Board Certified in Obstetrics and Gynecology and is a Fellow of the American College of Obstetrics and Gynecology.

She and her husband, Michael, a local businessman, have a combined four children attending Rockwall schools.