FIDIC Adjudicator Details

International Client Manager

Mark  Entwistle

  Country of residence: United Kingdom

  Citizenship: British


Countries with experience

Other countries with experience:

Global regions

  • Latin America
  • South Asia
  • East Europe
  • West Europe
  • Middle East
  • North Africa
  • Sub Sahara Africa
  • Caribbean

Languages spoken

  • English

Construction contract experience

  • Construction Contract 2nd Ed (2017 Red Book)
  • Construction Contract, 1st Ed (1999 Red Book)
  • Construction Contract, MDB Harmonised Ed, June 2010
  • Design-Build-Operate Contract, 1st Ed 2008
  • EPC/Turnkey Contract 2nd Ed (2017 Silver Book)
  • EPC/Turnkey Contract, 1st Ed (1999 Silver Book)
  • Plant & Design-Build Contract, 1st Ed (1999 Yellow Book)
  • Plant and Design-Build Contract 2nd Ed (2017 Yellow Book)

Consultancy contract experience

  • Not applicable - none of the above

Specialist contract experience

  • Construction Subcontract, 1st. Ed. 2011

CV - Services offered

  • Arbitration
  • Adjudication
  • Contract Expert/specialist

Technical expertise

  • Airports - terminals and support
  • Building - domestic
  • Building - commercial
  • Building - industrial
  • Building services - Heating/Ventilation/Air Conditioning
  • Building services - lighting/electrical
  • Building services - Gas
  • Building services - water
  • Building services - other
  • Construction law
  • Cost engineering (QS)
  • Electrical and Mechanical Engineering
  • Energy & Power - Natural gas and LNG Facilities
  • Infrastructure, Railways, Bridges
  • Marine and ports
  • Metro railway and stations
  • Road and highways - bridges and car parks
  • Rail - Infrastructure Engineering and Maintenance
  • Rail - Signalling and Communications
  • Rail - Track Engineering and Construction
  • Waste Disposal - Hazardous Waste Management
  • Water - Water Treatment
  • Water - Sewage Treatment
  • Waste Water - Treatment and Pumping Plant
  • Claims and variations

  • Extension of time
  • Defects

Short summary experiences

Mark is a qualified construction and engineering professional, lawyer, arbitrator, adjudicator, dispute board practitioner and mediator. He has received frequent appointments as arbitrator (sole and President), adjudicator and dispute board member and chair, since 1987, and has delivered over 400 awards and decisions (in arbitration, adjudication and dispute boards). He has been appointed in projects and disputes ranging in value from a few thousand to multi-millions of pounds/dollars/euros, including concurrent proceedings involving multiple parties, in the fields of civil engineering, infrastructure, property. His international practice embraces a wide spectrum of contracts for buildings, highways and bridges, tunnels and pipelines, power generation, sewage and water treatment works, petrochemical, gas and power plants, railways, ports and airports, and manufacturing and waste treatment plants. He is an original member of the Conflict Avoidance Panel in the UK and signatory to the Conflict Avoidance Pledge and holds the CIArb prestigious Diploma in International Commercial Arbitration.

Position and experience

Acredited mediator: No
Acredited arbitrator: Yes

Employment status:
Present position: Arbitrator, adjudicator, lawyer (UK) (2000-present)
Previous positions: Executive Director James R Knowles (1990-2000), Senior Consultant James R Knowles (1985-1990), Senior Lecturer in Construction Law (University of South Wales) (1980-1985) (1980-1985), Senior Quantity Surveyor (G E Wallis & Sons) (1973-1980)


  • Appointed as arbitrator (sole and tribunal member and President) in 100 cases
  • Appointed adjudicator (UK domestic) in 250 cases
  • Appointed Dispute Board member (sole
  • tribunal and chair) on 50 projects
  • Awards and Decisions rendered in 400 cases
  • Expert witness (court and ADR) (quantum) in 50 cases
  • Appointed mediator in 4 cases
  • Appointed for legal advice on 300 occasions
  • Party representative in ADR proceedings in 30 cases
  • Speaker at conferences and training events on 850 occasions


  • ACE (Association of Consulting Engineers)
  • DRBF (Dispute Resolution Board Foundation)

Panel listings

  • FIDIC President's List of Adjudicators
  • FCIArb
  • DBF
  • International Chambers of Commerce (ICC)
  • Arbitration Associations (Kuala Lumpur; Stockholm; India)

Qualifications, jurisdiction and discipline

  • Bachelor of Technology (Applied Physics) - LLB (Hons) (Bachelor of Laws)
  • Dip I C Arb (Diploma in International Commercial Arbitration)
  • C. Arb (Chartered Arbtrator)
  • FCI Arb (Fellow of the Chartered Institute of Arbitrators)
  • FRICS (Fellow of the Royal Instituino of Chartered Surveyors) (Quantity Surveyor)
  • FCIOB (Fellow of the Chartere Institte of Building) (Ret'd)
  • FDBF (Fellow of the Dispute Board Federation)