Mr. Dias Abeysinghe is a Chartered Quantity Surveyor with over 11 years of international experience in construction, engineering and oil & gas projects, specializing in quantum expert witness work for construction-related disputes.

Mr. Dias Abeysinghe has experience of working with several quantum experts on a number of international arbitrations across the Middle East, Africa and Europe. He specializes in the analysis of quantum, including the assessment of prolongation, final accounts, damages, disruption, acceleration, termination, and other quantity surveying matters.

Mr. Dias Abeysinghe is familiar with most current standard forms of contract and has working knowledge of the FIDIC suite of contracts and bespoke forms. He possesses experience in both pre- and post-contract work related to quantity surveying duties. Before specializing in disputes, Mr. Dias Abeysinghe has held contract administration and management positions for a developer, consultant, and contractor in the United Arab Emirates and Sri Lanka.