Clinical Lead for Information Management & Technology (2005-).
Examiner – Final FRCA (2009-), Primary FRCA (2006-2009).
Royal College of Anaesthetists tutor (2004-2009).

Secretary – Papworth Medical Advisory Committee (2004-2006).
Local Negotiating Committee chairman (2009-), secretary (2005-2009).
Organiser – ACTA Spring Scientific Meeting 2001.
Attending Anesthesiologist / Visiting Associate in Cardiothoracic and Critical Care Anesthesia, Duke University Medical Center and the Veterans Affairs Medical Center, Durham, North Carolina, USA. [1996-8].

Senior Registrar in Anaesthesia, St George’s Hospital, London. [1994-6].
Clinical Research Fellow in Cardiothoracic Surgery, University College London & Honorary Senior Registrar in Intensive Care, The Middlesex and University College Hospitals, London. [1992-4].

Registrar in Anaesthesia, The Middlesex and University College Hospitals, London. [1991-2]

Senior House Officer in General Medicine, St George’s Hospital, London. [1989-91]

Attending Anesthesiologist, Duke Univ Med Ctr, Durham, NC, USA 1996-1998.
Consultant Anaesthetist, Royal Papworth Hospital, Cambridge 1998-2024.
Adult cardiothoracic anaesthesia – heart & lung transplantation, and mechanical assist devices.