Benjamin James Challacombe FRCS (born 1973) is a British consultant urological surgeon at Guy's & St Thomas' Hospitals, and at King’s College London, who specialises in the treatment of kidney and prostatic disease using robotic surgery.

In 2005, he was part of the team that published the results of a randomised controlled trial of human versus telerobotics in the field of urology and renal transplant, one of the first of its kind.

[2][3][4] Between 1986 and 1991, he attended Dulwich College before opening a year as a 2nd Lieutenant in 29 Commando Regiment, Royal Artillery[1] and then studying medicine at United Medical and Dental Schools of Guy's and St Thomas' Hospitals from 1992.

[1] Between August 1998 and January 1999, he completed general medicine house posts at Worthing Hospital in the specialties of cardiology, gastroenterology, and elderly care.

This helped him manage his time and track his surgical procedure by giving crucial auditory cues, reporting that "you basically have a maximum 30-minute window to remove a cancerous tumour from a kidney.

[14] In this live webcast, he used a playlist comprising Coldplay's "Viva la Vida" and "Princess of China", followed by "So Far Away" by Dire Straits and then "Burn" by Ellie Goulding and "Just Give Me a Reason" by Pink.

[6][19][20] In 2020, he was interviewed by his cousin Rupert Cox, on testicular cancer and the treatment of England and British Lions rugby player Alex Corbisiero.

[21] During the COVID-19 pandemic in London, he described his robot as having been furloughed, eventually returning to work when the one tonne machine was transferred from Guy's to an adjacent private facility where surgery could recommence.