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Executive Committee

Endourology encompasses the treatment of urinary tract stone disease, but it also includes the endourological treatment of other benign diseases of the upper urinary tract using minimally-invasive techniques.

The Section of Endourology was formed in 2002; it developed from the British Society for Endourology, which was a separate organisation, independent of BAUS. The Section aims to improve standards and quality of practice within the sub-specialty by promoting training, research and development. In 2009 the Section set up a Patient Advisory Group. The Section usually organises one scientific meeting each year and oversees a series of training courses. The Executive Committee is responsible for the organisation, financial administration and running of the Section.

Members of the Executive Committee


Daron Smith (Chair)

Daron is a member of the stone team at the Institute of Urology in University College Hospital London, and was first elected to the Committee in 2013. He was appointed Hon Sec in 2016 and Vice Chair in 2018 before taking over as Chair in September 2019.   He is the Consulting Editor on stone disease for the BJUI. He has coined the phrase "endoluminal endourology" to describe his practice, which includes the comprehensive management of stone disease, ureteric strictures/trauma, and the diagnosis & endoscopic treatment of upper tract TCC. He is a keen supporter of Formula One motor racing, and has made it a trademark to include a sporting analogy in all his urological talks

Richard Napier-Hemy (Honorary Secretary)

Richard has been a Consultant Urological Surgeon at Manchester Royal Infirmary since 1999 and joined the committee in 2014. He has sub-specialised in endourology since 2004. He developed laparoscopic upper urinary tract surgery in Manchester Royal Infirmary, and has a particular interest in minimally invasive surgery for kidney obstruction, including management of pelvi-ureteric junction obstruction, ureteric strictures and retroperitoneal fibrosis. He is a born-again footballer and passionate mountain walker


Robert Calvert (Member: 2016 to 2020)

Rob is a Consultant Urological Surgeon at Royal Liverpool & Broadgreen University Hospitals and joined the team in 2016. He has a subspecialist interest in kidney stone treatment and prevention.  He has a large tertiary referral practice of complex stone cases, runs a multidisciplinary metabolic stone clinic and a busy lithotripsy service. He leads the analysis of the BAUS Ureteroscopy Audit and is a member of the NICE Guidelines Committee for kidney stones

Jake Patterson (Member: 2018 to 2020)

Jake is a Consultant Urological Surgeon at Royal Hallamshire Hospital, Sheffield and joined the team in January 2018. He is an endoluminal endourologist and leads a busy multi-disciplinary stone team with a large tertiary practice. He has special interests in complex stone disease in neuropathic patients, in medical device development, in ureteroscopic & percutaneous stone surgery and in the management of other benign / malignant upper urinary tract diseases. He is an active researcher and an experienced, enthusiastic teacher, especially in the teaching of clinical skills. He is getting better at running, which he is learning to enjoy

Hari Ratan (Member: 2018 to 2020)

Hari is a Consultant Urological Surgeon at Nottingham City Hospital and joined the team in January 2018. He trained in the East Midlands and, after three years as a Consultant in Derby, he noved to Nottingham. He has extensive experience in innovative surgical procedures for kidney stone disease, including mini-PCNL and flexible ureterorenoscopy. His other areas of interest are testicular cancer and benign disease of the prostate

Bhaskar Somani (Member: 2019 to 2020)

Bhaskar is a Consultant Urological Surgeon at University Hospital Southampton and joined the team in 2019. His main interests are in stone disease, benign prostate disorders, urinary tract infections, haematuria (blood in urine) and general urology. He has performed more than 1000 ureteroscopy procedures and started the "ultra-mini PCNL" in the south of England with published results

Subu Subramonian (Member: 2018 to 2020)

Subu is a Consultant Urological Surgeon (and Lead for Stone Surgery) at Queen Elizabeth Hospital Birmingham who joined the team in January 2018. He specialises in complex stone surgery and upper tract laparoscopy. He is passionate about teaching keyhole surgery to trainees, and mentoring colleagues on all aspects of endourology. As a keen teacher and researcher, he has published more than 20 articles, two textbook chapters and a Cochrane review. He enjoys cycling and trekking in his spare time

Benjamin Turney (Member: 2017 to 2019)

Ben is a Senior Clinical Researcher in the Nuffield Department of Surgical Sciences, University of Oxford and Consultant Urological Surgeon at the Churchill Hospital in Oxford. He joined the team in 2017. His clinical interests are stone surgery and stone prevention. His academic interests are in stone disease, and in technology/IT in healthcare. He is currently the Clinical Lead for Urology in Oxford. 


Sarah Fowler (BAUS Audit Co-ordinator)

Sarah is the BAUS Data & Audit manager. She oversees all the BAUS endourology & cancer databases, and is responsible for the production of Surgical Outcomes Data (part of the Consultant Outcomes Project)

Pattabiraman Maheshkumar (Co-Opted Member)

Mahesh is a Consultant Urological Surgeon at Queen Elizabeth Hospital, King's Lynn and, previously, also worked at Bedford Hospital. He is well-placed to present the realities and frustrations of DGH urology departments, and is passionate about delivering quality endourological care locally. He has been co-opted to bring a more generalist view to the executive's deliberations

Sotonye Tolofari (BSoT Representative: 2019)

Sotonye is an ST5 in the North West Deanery and joined the team in 2019. He represents the BAUS Section of Trainees (BSoT - formerly known as the Specialist Urological Registrars' Group, SURG) on the Committee

Sachin Agrawal (BAUS Trustee)

Sachin is a Consultant Urological Surgeon at Ashford & St Peters Hospital, Chertsey. 

He joined the team as the BAUS Trustee Representative in 2019 and has been a BAUS Co-opted Trustee since 2018, having  previously been a member of the Section of Oncology Executive Committee. He has an interest in laparoscopic renal surgery, upper tract TCC and stones. His research interest is in the outpatient based management of bladder cancer using diode lasers with the aim of reducing morbidity, simplifying healthcare delivery and cost effectiveness.