Mr Jack Mitchell > Chambers of Oliver Segal KC > London, England > Lawyer Profile

Chambers of Oliver Segal KC
Old Square Chambers
Jack Mitchell photo


Jack undertakes all employment/discrimination cases including injunctive relief, sport including internal investigations. Recent highlights include: Royal Mail v Jhuti [2017] EWCA Civ 1632 (scheduled for Appeal to the Supreme Court) an important whistleblowing case; Ali v New College Manchester Ltd UKEAT/0154/15/DM, 27 February 2017 concerning causation and constructive knowledge in disability discrimination; Sheredes School Governing Body v Davies UKEAT/0196/16/JOJ, 13 September 2016 considering time limits when a firm is intervened. Agbenowossi-Koffi v Donvand Ltd (t/a Gullivers Travel Associates) [2014] EWCA Civ 855, CA, Jack represented the Respondant from the Tribunal through to the CA, succeeding at each stage.




Co-author, Whistleblowing: law and practice, OUP (first edition, second edition and third edition 2017). “Whistleblowing law: a new playing field” World Sports Advocate June 2018. “Is Whistleblowing in Sport fit for purpose?” Law in Sport, 2017.
“Whistleblowing in Sport”, World Sport Advocate, 13 April 2017. For Lexis PSL, “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”.



Lawyer Rankings

Regional Bar > Western Circuit > Employment

(Leading Juniors)Ranked: Tier 1

Jack MitchellOld Square Chambers

Old Square Chambers ‘ Michael Ford KC is sought after for his established expertise in handling high-profile cases involving equal pay, pensions and TUPE matters, and is well known for advising on trade union law. Discrimination claims have been prominent in Toby Kempster ‘s recent caseload, and Jack Mitchell is regularly instructed in whistleblowing matters. Oliver Isaacs is adept at representing employees and employers across a wide spectrum of unfair dismissal claims, while Spencer Keen is widely recognised for his strength in advising on disability discrimination cases.

Regional Bar > South Eastern Circuit > Employment

(Leading Juniors)Ranked: Tier 1

Jack MitchellOld Square Chambers

London Bar > Employment

(Leading Juniors)Ranked: Tier 2

Jack MitchellOld Square Chambers ‘Jack has incredible attention to detail.  He can recall complex facts easily and has the entire tribunal room’s attention. Clients have 100% confidence in his ability to steer the case to a favourable conclusion expertly.