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Tet Yap
Heracles Leadership Team

Professor Tet Yap

Co-Founder & Chief Longevity Officer · Professor of Urology, King's College London

GMC ref no: 4673475
Tet Yap

About

Professor Tet Yap is Co-Founder and Chief Longevity Officer at Heracles, Professor of Urology at King's College London and Consultant Andrological Surgeon at Guy's and St Thomas' NHS Foundation Trust.

He leads regional andrology and male infertility services and established the world's first dedicated multidisciplinary Klinefelter syndrome clinic. His research spans male fertility and sexual function, including prospective clinical trials and systematic reviews.

At Heracles, Tet brings that specialist expertise to our approach to male fertility, sexual health and long-term wellbeing. Read his King's College London profile.

Specialist expertise

  • Male fertility and sperm health
  • Klinefelter syndrome
  • Erectile dysfunction and genital reconstruction
  • Fertility preservation
  • Multidisciplinary fertility care

Registration

GMC reference: 4673475

Qualifications

MA MD FRCS (Urol)
Professor of Urology, King's College London; Consultant Andrological Surgeon
Chair, ERN Male Fertility Preservation section
Founder, world's first Klinefelter multidisciplinary clinic

Publications and Achievements

Yap T. Editorial: Fertility in Klinefelter Syndrome - The Need for a Multidisciplinary Approach. Front Reprod Health. 2021.

Clark D, Kago T, Sahota K, et al. Gender identity in Klinefelter Syndrome: a patient-centered approach to treatment. Ann Med. 2024;56(1):2406447.

Sexual function after focal treatment for prostate cancer. First author of an analysis combining three prospective trials. European Urology, 2016;69(5):844–851. Read the publication.

The semen microbiome and male fertility. Co-author of a systematic review and meta-analysis. Andrology, 2021;9(1):115–144. Read the publication.