Sean is CEO of global expert witness company Hanscomb Intercontinental. Sean’s primary expertise is quantum and as well as acting an international expert witness also sits as arbitrator, adjudicator, expert determiner and dispute board member.
He has held directorships and senior commercial positions with contracting and consultancy firms in the United Kingdom and Internationally. With over 30 years’ experience in the onshore and offshore construction and engineering industries across the globe Sean has worked across the continents of Europe, Asia, Middle East, Africa and the Americas.

Project experience includes major airport developments, industrial process plants, commercial developments, military and police installations, heavy engineering in respect of onshore and offshore oil & gas facilities and pipelines, highway interchanges, tunnels, leisure resorts, nuclear, water treatment and desalination plants, waste to energy, biomass, onshore and offshore windfarms, renewables, mines, ports, hospitals and rail/metro projects.
He is hair of The Adjudication Society, Council Member of the Society of Construction Law (UK), ICP Member of The International Bar Association, Region 2 Director of The Dispute Resolution Board Foundation, and founder of UK Adjudicators and HK Adjudicators.
Sean is a Liveryman of the Worshipful Company of Arbitrators and a FIDIC President’s List Adjudicator and Mediator.