Timothy Gelety, MD, is the Director of the Arizona Center for Reproductive Endocrinology and Infertility, and the Medical Director for the Assisted Reproduction Laboratories at REI.

Dr. Gelety is Board Certified in Reproductive Endocrinology and Infertility as well as Obstetrics and Gynecology. He completed his medical degree at Ohio State University College of Medicine, and his residency in Obstetrics, Gynecology and Reproductive Science at University of California San Francisco. Dr. Gelety completed his Fellowship in Reproductive Endocrinology and Infertility at the University of California Los Angeles, where he worked with some of the most prominent leaders in the field of Assisted Reproductive Technology. Dr Gelety was later appointed Director of the Assisted Reproduction Program at the University of Arizona College of Medicine, and later Director of the Division of Reproductive Endocrinology and Infertility. Dr. Gelety has authored numerous research publications and book chapters in the field of assisted reproduction both nationally and internationally. His research interests include oocyte cryopreservation and in vitro maturation and the study of reproductive aging.