John Kelleher > Carey Olsen > St Helier, Jersey > Lawyer Profile

Carey Olsen

Work Department

Dispute Resolution and Litigation; Property Law.


Partner and head of dispute resolution and litigation at Carey Olsen, specialises in litigation and property work.

His litigation specialisms include: public law and judicial review; law of contract; property law; planning law and general commercial litigation.

He is a recognised leader in Jersey contract law and Jersey customary law. The many high-profile cases he has acted on include Les Pas Holding Limited v States of Jersey; J.P.M.O. and TOP Produce Ltd v States of Jersey; Anchor Trust v Jersey Financial Services Commission; and Jersey Financial Services Commission v Cater Allen Trust Co Ltd and others.

In 2017-2020, John was President of the Law Society of Jersey.


Barrister, Middle Temple 1991; advocate of the Royal Court of Jersey 1994; partner in the firm 1995. Qualified mediator.




Founding member of the Jersey Law Review; external supervisor for a PhD student on the property law of Jersey; associate of the Chartered Institute of Arbitrators.


De La Salle College, Jersey; University of Warwick (1984 BA Hons History; 1991 PhD); City of London University (1990 MA Law); Université de Caen (1993 Certificate d’Etudes Juridiques Françaises et Normandes).

Lawyer Rankings

Jersey > Commercial property

Christopher Philpott is the key name in a Carey Olsen practice that handles sales of prime real estate in Jersey, with a number of mandates for prestigious public and private sector clients. Other work concerns commercial leases, transactions involving development sites and real estate finance. Alex Ohlsson‘s broad practice includes managing the firm’s relationship with Jersey Development Company (the government’s property development arm). Part of the disputes practice, John Kelleher‘s work includes property and planning litigation. Will Whitehead is a key counsel.

Jersey > Dispute resolution > Dispute resolution

(Hall of Fame)

John KelleherCarey Olsen

Carey Olsen  handles a full spectrum of disputes work, covering both trusts matters and commercial litigation. John Kelleher  handles large-scale cases including professional negligence cases and shareholder disputes among others , as well as acting as a Jersey law expert in complex foreign cases. Marcus Pallot is particularly active in insolvencies, and William Grace is known for trusts and regulatory work. Sitting between the litigation and trusts teams, Andreas Kistler handles some contentious trusts work such as contested representations. Below partner level Louise Woolrich was promoted to counsel in January 2020.