Predominantly UK industrial relations and trade union law. Also advises and represents international union clients in the ECtHR and other international supervisory bodies, recently for the International Transport Workers’ Federation, Congress of Trade Unions, Swedish Transport Workers’, Norwegian Dockworkers’ and the Latvian Air Traffic Controllers’ Unions. Consultant to International Trade Union Confederation. Standing Counsel to a number of UK unions. Lifetime Achievement Award from Chambers & Partners in 2017. Chambers & Partners Directory: 'Recognised as the leading silk at the Employment Bar when it comes to handling industrial relations cases’. Recent cases: R (Boots) v CAC, PDAU  CA; Agarwal v Cardiff University, Nexus v Anderson  CA; R (IWGB) v Deliveroo  (Admin); Antuzis v DJ Houghton Catching Services Ltd  QB; National Union of Professional Foster Carers v Certification Officer  EAT; Agarwal v Cardiff University, Nexus v Anderson  CA; Royal Mail v Communication Workers Union  CA.
Called: 1971; in practice 1977; silk: 1987; peerage 2019.
Honorary professor at UCL since 2014.
ILS, ELBA, IER (Chair).
‘Industrial Action’ in Bullen & Leake & Jacobs Precedents of Pleadings, Sweet & Maxwell 2018; The Holship Case  47 ILJ 315 with Tonia Novitz; Labour Law and COVID-19  ILJ forthcoming with KD Ewing.