John studied law at Cambridge University at both undergraduate and postgraduate level, and holds the degrees MA LLM. He qualified as a solicitor in 1980 and has specialised in medical and other healthcare work throughout his long career. He joined Weightmans in 2006, having previously been a partner in Hempsons and Clyde & Co. Early in his career, John was for several years a part-time tutor in Medicine, Ethics and Law at Cambridge University, and he also worked for six months in Zimbabwe for the lawyers for the Medical Defence Union.
John specialises in healthcare regulatory and disciplinary law, including GMC, GDC and HCPC tribunal and committee hearings: Hospital MHPS and NHS England disciplinary and performance procedures and proceedings; the defence of criminal allegations in the healthcare context, including in particular investigations and prosecutions for gross negligence manslaughter, and for fraud, perjury and assault; statutory and other Inquiries; Judicial Review; and HFEA regulation.
John has been instructed in numerous leading and high-profile cases, and in particular many significant and long-running GMC cases, not formally reported, on instructions received from the medical defence organisations. John's other notable cases have included the Cleveland Child Abuse Inquiry; the Bristol Children's Heart Surgery Inquiry; the Shipman Inquiry; the Richard Neale Inquiry; the Diana, Princess of Wales, Inquest; the Porton Down criminal investigation; H (A Healthcare Worker) v N (A Health Authority) (2002) EWCA Civ 195; Attorney General’s Reference 2 of 2003 (Criminal provisions in HFE Act); R (on the application of Cavanagh) v Health Service Commissioner (2005) EWCA Civ 1578; Kircher v Hillingdon PCT (2006) EWHC 21  Lloyd’s Rep. Med. 215 (post-dismissal injunctive relief); Palmer v East and North Herts NHS Trust (2006) (enforcement of agreement to refer to NCAS); R v Southampton University Hospitals NHS Trust (2006) (HSWA prosecution); Radeke v General Dental Council  EWHC 778 (Admin); R v Thomas (2016).
John is recommended as a leading practitioner in his field and is listed in Band 1 in Chambers Directory.
A review of Alam v General Medical Council in which a doctor faced allegations of dishonestly providing false documentation.
Dr D, a general practitioner, appealed an MPTS decision to impose an interim order of suspension on his registration.