Tony Marks


Aldenham School 1963-8
University of Bristol LLB (Hons.) 1969-72

Arbitrator, Mediator, independent consultant on Alternative Dispute Resolution, Solicitor (non-practising).


2011 to present        Member of ArbDB Chambers
2008 – 2012             Director of Legal Services (part time) at the Chartered Institute of Arbitrators
1983 – 2008             Partner in Litigation and Dispute Resolution Department of  CMS Cameron McKenna  (formerly McKenna & Co)
1979 - 1983              Solicitor in Litigation Department at McKenna & Co
1973 – 1979             Trainee and Solicitor at Clifford-Turner (now Clifford Chance)


2011    Fellowship of the Chartered Institute of Arbitrators (FCIArb)
2009    Diploma in International Commercial Arbitration (CIArb)
2005    Mediator accredited through ADR Group
1994    CEDR mediation training
1975    Solicitor of the Supreme Court of England and Wales


As mediator, Tony’s experience includes:
•    resolving a dispute under a website supply agreement
•    successfully mediating a boundary dispute between two business owners
•    mediating a claim against a former employee of an agency alleged to have obtained a secret commission
•    co-mediator in a construction defects claim
•    resolving a fraud claim by a dental practice against its former manager
•    successfully settling a claim for vicarious liability by a husband and wife against an insurance broker as a result of fraud by a third party

Experience as arbitrator and as party counsel in commercial arbitration:

  • As  a member of a three person Tribunal in an ad hoc arbitration between an African based Bank and a supplier of card services for  breach of contract / implied terms

  • London Court of International Arbitration dispute between a UK clearing bank and a US information technology supplier concerning electronic card  services

  • An arbitration under ICC Rules as to the effect of a good faith clause in a distribution agreement for a pharmaceutical product

  • An ad hoc arbitration of a dispute under UNCITRAL Rules relating to contracts on the London Metal Exchange

  • An arbitration under UNCITRAL Rules for a Czech Bank in dispute with a US  information technology supplier


  • Banking and financial litigation

  • Commodities and futures 

  • Pension fund and trust litigation

  • Information technology disputes in banking and financial industries

  • Share sale transactions, corporate warranties and partnerships

  • Commercial contracts, supply and distribution agreements

  • Construction claims

  • Energy and electricity industry/infrastructure; disputes between grid operators and generators; PFI and infrastructure disputes.

  • Judicial review in regulated industries

  • Professional negligence cases, in relation to accountants and investment managers

  • Property litigation

  • Fraud and asset recovery

  • Insurance disputes and reinsurance litigation


  • ADR Group Commercial Mediators Panel

  • ADR Chambers

  • Law Society Panel of Arbitrators


  • Speaker at CIArb Mediation Symposia 2008-2013

  • Speaker on mediation topics at the Solicitors Group Civil litigation conferences 2013-4

  • Speaker on Managing Risks in Global Oil & Gas Joint Ventures and Strategic Partnerships 2013

  • Assessor for ADR Chambers mediation training 2013

  • Official at the Worshipful Company of Arbitrators Mediation Skills Competition 2014


2014 –               Member of the Advisory Board of the City Law School
2013 -                Trustee of the London Youth Support Trust  (LYST)
2011 -                Member Advisory Committee of the Institute of Family Law Arbitrators
2008                  Liveryman - the City of London Solicitors Company
2001 – 2007    Chairman of the City of London Law Society Litigation Committee

Contact - for more information or to discuss Tony's availability or fees please contact our COO Martin Poulter on +44 (0)20 3514 9020 or by email

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