Gareth Crichton is a quantum expert witness based in Dubai with over 25 years of experience in construction, oil & gas, and civil engineering industries. He has testified on a dispute over AED 100m in value under ICC rules on a signature project in the Middle East.

Mr Crichton specialises in construction dispute resolution, with a background in quantity surveying, and has worked across a diverse range of sectors, including oil & gas, government works, military, commercial, residential, hotel, high-rise, mixed-use, rail, roads, bridges, airfields, sports facilities, and sewage treatment.

With nearly two decades of Middle East experience, Mr Crichton has managed complex, high-value projects such as a AED 17bn mixed-use development in Abu Dhabi under NEC3, as well as leading commercial teams on government projects under amended FIDIC contracts valued between RO 25m and RO 120m.

Mr Crichton has a strong track record in delivering high-quality commercial outputs, including financial statements, payment recommendations, and accurate valuation of variations. He specialises in quantum matters and expert witness work, providing independent analysis, valuation, and opinion on disruption, prolongation, acceleration, and variation claims.