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Jack Mitchell

Call: 1994

"He is able to get to grips with the nuances of a case very quickly and is polite but determined and persuasive on his feet."

Legal 500 2026

"Jack is extremely thorough and leaves no stone unturned."

Legal 500 2026

"Jack Mitchell is always pragmatic and considered in his approach. He has outstanding client care skills and communication."

Chambers & Partners 2026

"Jack has real gravitas in the tribunal. He has a considered, measured, and compelling approach to answering judges' questions. He is particularly knowledgeable in whistleblowing law. An excellent barrister."

Legal 500 2024

Overview

Jack Mitchell specialises only in employment law and advises on the entire spectrum of claims, but is best known for work on whistleblowing and discrimination claims. He advises on the commercial aspects of employment, providing advice to both corporate and individual clients on a broad range of commercial matters including breach of contract claims, shareholder disputes and partnership issues.

He is regularly instructed in large complex claims in all areas of employment law.

Jack is Chair of ELBA (Employment Law Bar Association).

Jack also undertakes pro bono work. He has been responsible for the Employment Appeal Tribunal’s pro bono scheme (ELAAS) since January 2024 and having been invited by the Solicitor General (Sarah Sackman KC) sits on the Attorney General’s Pro Bono Committee.

Publications

Whistleblowing: Law and Practice
Fourth Edition (2022)
, Third Edition (2017), Second (2012) and First (2007), with Jeremy Lewis KC, John Bowers KC and Martin Fodder.
Published by Oxford University Press.

Whistleblowing: The Disclosure of Wrongdoing (with John Bowers KC and Jeremy Lewis) published by Sweet & Maxwell 1999.

Articles

Whistleblowing in Sport’ (2017) World Sport Advocate

Is Whistleblowing in Sport fit for purpose?
Part 1 (see the article here) and
Part 2 (see the article here).

For Lexis PSL, Jack contributed:

“The doctrine of res judicata – overview”; “The doctrine of res judicata”; “Key requirements to establish a res judicata”; “Cause of action estoppel”; “Issue estoppel”; “Res judicata and Henderson abuse”; “The doctrine of merger in judgment” and “Res judicata and foreign judgments”.

Subject matter for disclosure: Solicitors Journal SJ Vol.144(7), 176-17
25th February 2000 John Bowers KC, Jeremy Lewis and Jack Mitchell.

Recent Conferences

The Employment Judges (Scotland) conference,
Whistleblowing Update/Review” 2020

Industrial Law Society, “Whistleblowing Update” 2017

Professional Recommendations

“He is an authority on whistleblowing claims. He is personable, gives his clients confidence and reasonable on his feet.”

The Legal 500 2025

“Jack is an excellent advocate and brings real gravitas to any court or tribunal he appears in.”

The Legal 500 2025

“Jack is exceptional on his feet. He is polite and charming, which disarms opponents. He is ridiculously thorough in his prep and makes instructing solicitors feel completely at ease that their case is in safe hands.”

The Legal 500 2025

“Jack is always a safe pair of hands on a difficult case.”

Chambers & Partners 2025

“Jack is a go-to barrister.”

Chambers & Partners 2025

“He puts clients at their ease while being strong on detail and suitably combative when he needs to be.”

Chambers & Partners 2024

“On technically complex claims he is very impressive with his expertise, strategy and general level of service.”

Chambers & Partners 2024

“His arguments are persuasive and he is really good at getting the best outcome for his clients. He is personable and easy to work with.”

Chambers & Partners 2024

“He is a very charismatic and charming advocate.”

Chambers & Partners 2024

“He’s written the book on whistle-blowing and is highly regarded.”

Chambers & Partners 2024

“Jack is an excellent barrister.”

Chambers & Partners 2024

“Jack has real gravitas in the tribunal. He has a considered, measured, and compelling approach to answering judges’ questions. He is particularly knowledgeable in whistleblowing law. An excellent barrister.”

The Legal 500 2024

Expertise

Whistleblowing

Restrictive Covenants / High Court

Employment Law

Discrimination and Equality

Work in Sport

Medical and Regulatory

Investigations

Common Law

Transfer of Undertakings


Recent and current work

Key contacts

Samantha Jones

Deputy Senior Clerk
Samantha Jones Telephone Clerk020 7269 0307 Email Clerk

Jordan Bater

Team Leader Assistant
Jordan Bater Telephone Clerk020 7269 0491 Email Clerk

Louis Lockwood

Senior Team Leader
Louis Lockwood Telephone Clerk02072690329 Email Clerk
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Out of hours

William Meade (Senior Clerk)

07970 649 755