Dr Jock Mackenzie

Clinical Negligence | Partner

I believe my medical background and experience significantly optimises the prospects of winning complex and difficult clinical negligence cases and in obtaining the compensation that my clients so need to improve their lives.” 

About Dr Jock Mackenzie

A partner in the clinical negligence team, Jock is a dual-qualified doctor and solicitor. He qualified as a doctor at St. Bartholomew’s Hospital in London in 1990, practising as a full-time hospital physician for nearly five years before retraining as solicitor and qualifying in 1998. He continued to work as a doctor part-time at Barts until 2004. 

He has a varied clinical negligence practice and, due to his background as a hospital physician, has a particular interest and expertise in cases involving complex medicine, rare medical conditions, general internal medicine and intensive care, including sepsis.  

He also has a specialist interest in cases involving treatment in the private healthcare sector, including the reported High Court case of Kennedy v Frankel [2019] EWHC 106 (QB), and has considerable trial experience in both the High Court and Court of Appeal. 

Much of his work focuses on brain injury in adults, especially following cardiac arrest, and children, in particular with Group B streptococcus meningitis, as well as other neurological, neurosurgical and spinal injuries.  

Recent settled cases include the following: 

  • £1.5 million plus c.£315,000 p.a. periodical payment for a severe brain injury resulting from an air embolus following a central line removal. 
  • £1.5 million for cauda equina syndrome and other neurological damage due to spinal infarction from a cardiac arrest resulting from a delay in diagnosis of a pulmonary embolus. 
  • £1 million for a brain injury due to a missed radiological diagnosis of a brain abnormality. 
  • £950,000 for a fatal case due to the delay in diagnosis of secondary haemophagocytic lymphohistiocytosis/macrophage activation syndrome. 
  • Over £770,000 for a significant spinal injury from use of experimental spinal implants. 
  • £700,000 for a delayed diagnosis of post-operative sepsis. 
  • £675,000 for a delayed diagnosis of cancer. 

Jock is a regular speaker at the annual Bond Solon Expert Witness Conference, and also delivers a 2-part lecture to expert witnesses for Bond Solon on clinical negligence. 

Jock lectured on medical malpractice at the prestigious combined Royal College of Surgeons/Harvard Medical School international Surgical Leadership Program (SLP) in London in October 2022 and October 2024. 

Jock is recognised as a ranked lawyer in Chambers and Partners Directory and The Legal 500. 

Memberships & Publications

  • Medical doctor registered with the General Medical Council 
  • Association of Personal Injury Lawyers (APIL) senior litigator 
  • Action Against Medical Accidents (AvMA) panel member 
  • Former Law Society Clinical Negligence panel member (re-accreditation pending) 
  • Kemp & Kemp PI Law, Practice and Procedure board member 
  • Regularly asked by national press and media to comment on clinical negligence and health management issues 

Awards & Accreditations

Related Services