Coronavirus (COVID-19): visiting The Royal Marsden suspended

Coronavirus (COVID-19) latest: Visiting The Royal Marsden is still suspended, but we want to reassure our patients, their families and anyone worried about cancer during this difficult time that we are still delivering treatment - the hospital is open. Please see more information here about how we are keeping everyone safe.

Dr Ramanathan (Nathan) Kasivisvanathan

Clinical Lead, Consultant Anaesthetist BMedSci, BMBS(HONS), FRCA, MSc

Specialism: Anaesthetics

Available at: Chelsea, Kingston

Special interests

  • anaesthesia for major robotic surgery,
  • anaesthesia for upper gastrointestinal and hepatobiliary surgery, plastic reconstructive surgery and for interventional radiological procedures
  • pre-operative assessment, identification and management of high–risk patients


Also known as Nathan, he is Head of Department of Anaesthesia and Perioperative Medicine appointed to the position in 2018.  He is a consultant anaesthetist who provides anaesthesia of all major, robotic and oncological surgery.

He graduated from the University of Nottingham with Honours.  Following this he conducted his anaesthesia training on the North Central London School of Anaesthesia and conducted a period of research as an honorary associate at the Wellcome Trust. 

Work that he has led including service design, quality improvement and research, to date, has been recognized by over 35 regional, national and international prizes, awards or grants from a number of high profile bodies including National Institute of Academic anaesthesia; NIHR; NICE ; Association of Anaesthetists of Great Britain and Ireland and the British Medical Journal.  He is a board member of the U.K’s national perioperative medicine clinical trials network (POMCTN). He leads a popular and productive perioperative fellowship for senior trainee anaesthetists at the Marsden.

He has held a number of leadership and important regulatory positions including the Royal Marsden’s Guardian of Safe Working; A performance assessment officer for the GMC and lead for the perioperative assessment service.  He was selected for the Inugural Imperial College Academic Health Science Centre (AHSC) Leadership and Development Programme and graduated in 2018.   

He is well published in a number of areas of perioperative medicine and is invited to speak nationally in many of these areas including high risk surgery, frailty and anaesthesia for robotic surgery.


Clinical units