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Kutluk Oktay

Professor Adjunct; Director, Laboratory of Molecular Reproduction and Fertility Preservation

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Kutluk Oktay, MD, PhD, FACOG


Kutluk Oktay MD, PhD is a Professor of Obstetrics & Gynecology and Reproductive Sciences and Director of Laboratory of Molecular Reproduction and Fertility Preservation at Yale School of Medicine. He is the world’s leading expert in fertility preservation and a renowned ovarian biologist. He developed and performed the world’s first ovarian transplants and pioneered innovative ovarian stimulation protocols for cancer patients. Dr. Oktay discovered the role of BRCA function and DNA repair in ovarian and oocyte aging. He has been continuously funded by the NIH and other sources over the past 15 years, received numerous national and international awards from professional societies and patient organizations for his contributions. He has been repetitively named among the countries top doctors in his field by Castle and Connolly and other organizations. He has published over 200 manuscripts and book chapters and is currently the co-chair of American Society for Clinical Oncology Fertility Preservation Guidelines Committee.

Education & Training

  • PhD
    University of Gent, Medical Sciences (2015)
  • ACOG-RCOG (WellBeing) Exchange Research Fellow
    University of Leeds School of Medicine (1996)
  • Reproductive Endocrinology & Infertility Subspecialty Fellowship
    University of Texas Health Science Center at San Antonio (1995)
  • Residency
    University of Connecticut Health Science Center (1993)
  • Residency
    Columbia University Physicians and Surgeons, Harlem Hospital Program (1991)
  • Residency
    Cook County Hospital (1989)
  • MD
    Hacettepe University School of Medicine (1986)

Departments & Organizations