Allister Walker > Chambers of David Josse KC > London, England > Lawyer Profile

Chambers of David Josse KC
5 St Andrews Hill
Allister Walker photo

Work Department

Allister practises in all areas of crime and professional discipline & regulatory law.


Allister Walker has twenty five years’ experience as a barrister in independent practice in Criminal Law. He has prosecuted and defended in significant cases in London, the South East and the Midlands. His practice comprises the prosecution of serious and organised crime and substantial fraud and he regularly defends in cases of murder and historic sexual assault.

Allister is a highly regarded and sought after leading junior. He has particular experience in cross jurisdictional prosecutions and is skilled in prosecutions for offences under the Serious Crime Act 2007.  He regularly prosecutes lengthy, complex, multi-defendant cases for the South East Complex Casework Unit and the Central London Special Casework Unit.

Allister maintains a significant defence practice in the South East and the Midlands which includes in particular cases of murder and historic sexual assault. He has successfully defended in cases of murder, child cruelty and sexual assault and is regularly instructed in cases of serious violence and drug trafficking.


  • Allister was called to the Bar in 1990.
  • Allister is a Level 4 Advocate on the Crown Prosecution Service (CPS) Panel of Approved Counsel.
  • Allister is also on the CPS Serious Crime Group Specialist Panel of advocates. 
  • Band C (10 years’ call and above) appointed advocate for the General Dental Council (GDC).


  • South Eastern Circuit.
  • Criminal Bar Association.