Arun Sahai

Consultant urological surgeon


Arun Sahai is a consultant urological surgeon in functional urology at Guy's and St Thomas' NHS Foundation Trust and an honorary senior lecturer at King's College London. He has been a consultant at Guy's and St Thomas' since 2013.

He is a member of the:

  • British Association of Urological Surgeons (BAUS)
  • European Association of Urology
  • International Continence Society
  • International Consultation on Incontinence Research Society 
  • Royal College of Surgeons of England

Arun is the lead for undergraduate education in urology for King's College London. He is involved in several aspects of postgraduate education including:

  • exam setting for the urology fellowship of the Royal College of Surgeons
  • attending conferences as a lecturer and a chair
  • teaching female and functional urology courses

He is on the BAUS committee of female, neurological and urodynamic urology. He is a frequent reviewer for many international urology journals and is on the editorial board of neurourology and urodynamics.

Education and training

  • PhD on the use of botulinum toxin in overactive bladder, 2011
  • Urology Fellowship of the Royal College of Surgeons, 2010
  • Member of the Royal College of Surgeons, 2003
  • Urology training, south Thames rotation
  • BSc in anatomy and cell biology (First-Class Honours), King's College London, 1996

Research interests

  • Overactive bladder syndrome
  • Bladder pain syndrome
  • Interstitial cystitis
  • Urinary tract reconstruction

Arun is active in commercial and non-commercial clinical trials. 


  • Hadley Trust, The Urology Foundation
  • Royal Society of Medicine Urology Section
  • Research grants from Boston Scientific and Allergan
  • Jenny Ackroyd Prize, St Thomas' Hospital

Last updated: July 2023

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