David Williams > Chambers of David Josse KC > London, England > Lawyer Profile

Chambers of David Josse KC
5 St Andrews Hill

Work Department

David is a barrister who specialises in extradition, human rights, public law, sports, regulatory and criminal defence. He is ranked in The Legal 500 and Chambers and Partners.


David practices in Extradition, Human Rights, Public Law, Sports Law / Regulation and Criminal Defence. He has extensive experience of proceedings before the Criminal, Administrative and Divisional Courts, encompassing appellate work in Crime (CofA and Case Stated), as well as in extradition proceedings and judicial review, with particular expertise in European prison conditions.

David is ranked in Chambers and Partners and the Legal 500 in the field of Extradition and International (London Bar).

David also has experience in a broad range of regulatory offences before courts and tribunals. He has particular expertise in proceedings before Regulatory Commissions / Appeal Boards of The Football Association.

He joined Chambers having worked in the third sector in various roles over 6 years including working for the Citizens Advice Bureau and as an Independent Mental Health Advocate. David also worked as a paralegal at the Office of the Georgia Capital Defender on capital murder trials.

What the Legal Directories say about David Williams:

‘ At the forefront of the extradition market, tactically astute and responsive, David is an in-demand extradition junior that has a successful practice in both the Magistrates’ Court and High Court. ’

The Legal 500 2022

‘Fantastic advocate; concise, engaging and articulate. Very knowledgeable in his field and always willing to help with pursuing novel lines of challenge.’

The Legal 500 2021.

‘Extraordinarily bright, committed to his clients, and fearless in court. ’

The Legal 500 2020.

“A fearless advocate when it comes to his clients’ interests.” “David’s client care is excellent; he is a passionate and caring advocate who puts incredible energy into his case presentation.”

Chambers and Partners 2021.

An “excellent” extradition junior who garners praise for his “persuasive presence in court.””His client care is exceptional, and he is always up to date with current law and alive to the potential issues in a case.”

Chambers and Partners 2019.


  • David was called to the Bar in 2009.
  • David is a Band B panel advocate for the General Dental Council (GDC).


  • Young Fraud Lawyers Association.
  • Extradition Lawyers Association.
  • Amicus.
  • The Howard League for Penal Reform.
  • Liberty.
  • Defence Extradition Lawyers Forum.


David won the Norman Tapp Memorial Prize for Excellence in Mooting (Gray’s Inn) in 2009 and mooted internationally representing Gray’s Inn.

Lawyer Rankings

London Bar > International crime and extradition

(Leading Juniors)Ranked: Tier 3

David Williams5 St Andrews HillDavid is a very committed extradition practitioner.’