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Who's Who Legal
Who's Who Legal

Global Leader

WWL Ranking: Recommended

Peers and clients say:

“Ewen is highly knowledgeable, and is able to explain his conclusions clearly and in a compelling way that clients understand”

“He is able to grapple with a mass of information and draw clear conclusions”


Ewen Maclean is a chartered civil engineer (FICE and FCIArb) and a prominent testifying expert in the field of forensic delay and disruption analysis for construction and engineering projects across the globe. Having initially worked for international consultants and contractors, Ewen has over 30 years of experience, and has assisted and represented clients in litigation, arbitration, mediation and adjudication, both for claimants and respondents.

Ewen has been appointed as an expert witness on multiple occasions and has lectured extensively on various commercial and contractual subjects within the construction industry. Speaking appointments have included domestic and international conferences on a range of topics including delay and disruption methods of analysis, the expert witness, technology and prospective versus retrospective analysis.

Ewen is well versed in many of the standard forms of construction contract including NEC, FIDIC, JCT, ICE, and GC works conditions as well as bespoke forms of contracts including PFI contracts. His experience portfolio spans, inter alia, major building and infrastructure projects, including airports, bridges, civil engineering, energy (HEP and waste to energy), fit-out works, FPSOs, guided busways, highways, mechanical and electrical installations, mining, mixed-use developments, petrochemical including oil and gas and LNG, pharmaceutical, piping, power stations, railways, sewage, structural steelwork, telecommunications and cabling and tunnelling.

Ewen is a fellow of the Institution of Civil Engineers; a fellow of the Chartered Institute of Arbitrators; and a fellow of forensic analysis with the Guild of Project Controls.

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