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How To Avoid Construction Disputes – Maria Fisentzou Diales nominated in Structural Awards 2019 Diales are delighted to announce that Phil Duggan been appointed as Head of Diales for the Middle East Diales are proud sponsors of Asia ADR Week 2019 Diales are pleased to be sponsoring the 5th ICC Asia Conference in Singapore Diales are pleased to be sponsoring the 4th ICC Africa Conference in Lagos this week Diales is proud to be sponsoring the 3rd PAW and to host a conference Diales is delighted to be taking part in the 3rd Kuwait Project Management Conference 2019. Diales is proud to be sponsoring the 7th ICC MENA Conference on International Arbitration Dealing with conflicting pressures – A practical guide Diales Technical are shortlisted for an award. Diales are proud sponsors of the CIArb’s International Arbitration Conference 2018 Flying high! Another Goodwood sculpture success Diales is proud to be sponsoring the 4th ICC Asia Conference on International Arbitration Diales Host Drinks Reception GAR Live Construction Disputes ICC Institute Advanced Training on “Drafting enforceable awards” Should arbitration in investment protections treaties be forsaken? DRBF Conference – Paris, France Diales work with Gerry Judah on a new sculpture – Jacob’s Ladder Damp in Listed Buildings Diales experts gain professional recognition Diales have two new experts Diales host successful drinks reception Diales are commended at the 2017 Structural Awards Mark Castell is attending the 2017 Dutch Arbitration Day, Amsterdam Independence Day: Why Do Many Experts Fail at Being ‘Independent’? John Mullen is published in the Construction Law Review Diales technical are shortlisted for two awards Diales celebrates five years of dedicated Expert Witness support services ICC 1st European International Arbitration Conference

Expert Profile

Keith Strutt

Keith Strutt

Regional Head of Diales (UK) - Quantum and Delay Expert


Dip Construction Management
Cert International Arbitral Award Writing

Memberships & Associations


Contract Experience


Presentations & Training

Regular lectures at universities
Regular speaker at law conferences and presenter at seminars


Oil & Gas
Process & Industrial

Regional Experience

Asia Pacific
Middle East
United Kingdom


  • Chartered Civil Engineering Surveyor, Chartered Construction Manager, and Chartered Quantity Surveyor
  • Over 35 years of engineering and construction industry experience
  • Specialist in cost, time, and project management matters
  • Over 30 international expert appointments
  • Expert advice and front line negotiation support provided at minister of state, project board, and senior corporate management levels
  • Testified on individual disputes up to $7Bn USD on cost, time, and project management matters


Keith has over 35 years of experience in the engineering and construction industries. He has worked in the building, civil engineering, and rail sectors of construction, and extensively on the preparation and defence of contractual claims in these sectors as well as in connection with oil and gas fields, petrochemical and refinery projects, process plants, power plants, and mining projects as expert.

Keith’s work includes construction management, client advisory (contract and commercial), lead negotiator, funder’s project representative, and as expert in management and cost on projects in excess of $200 billion, in formal dispute negotiations in excess of $60 billion, and testified in formal disputes in excess of $7 billion.

Keith has acted as party and court appointed joint expert on a number of engineering and construction disputes. He has been appointed as party expert in connection with the time and cost management of upstream oil and gas field developments, rail infrastructure, and both power infrastructure and generation disputes.

Other project examples include; off shore and on shore wind, a water treatment plant, diesel refinery, offshore oil rig drilling operations, a re-development of three gold mines, gas turbine and combined cycle power plants, as well as petrochemical and alcohol process plants.

Keith has been appointed to provide advice on the administration of live projects; specialising in dispute avoidance, risk management, procurement, interpretation of technical and process elements of construction contracts, project management structure, and strategy.

Keith also provided technical and commercial advice as well as lead negotiation support to the Minister of State for oil and gas of a prominent CIS republic during the renegotiation of production sharing agreements, dispute settlement negotiations and formal disputes.