Simon Burthem

Simon is a highly experienced consultant naval architect and expert witness, providing specialist technical support to a global client base, including marine insurers, maritime law firms, shipowners and government authorities. As the lead for Marine Technical Services across the UK and EMEA, he brings over 25 years of cross-sector experience to both contentious and non-contentious matters.
His expertise spans the full vessel lifecycle, from newbuilding and classification to operation and end-of-life solutions. To the insurance and commercial markets, Simon provides critical technical oversight in claims, salvage, and incident investigations, delivering the rigorous analysis essential for accurate dispute and operational resolution.
A well-regarded and senior expert witness, Simon has provided authoritative, defensible testimony in the UK High Court and before arbitral tribunals and courts globally, including in Norway, the USA, Singapore, Hong Kong, Australia, Malaysia, and Dubai.
With a career that includes serving as CEO of a leading global marine consultancy, Simon combines technical excellence with seasoned commercial pragmatism. He is a versatile partner for any marine stakeholder, uniquely positioned to protect client interests and navigate high-stakes maritime environments worldwide.