John Wilby



Managing Director, Quantum Expert, Testifying Expert

John Wilby is a managing director in the Expert Services practice, based in Hong Kong. John leverages more than 35 years of experience as a chartered quantity surveyor, assisting clients in the construction industry. He has gained significant experience working in a wide range of sectors, including rail, airports, mining, infrastructure, oil and gas, commercial and residential projects.

Prior to joining Kroll, John served as Managing Director at an international consultancy firm, where he had held several positions leading up to being a Managing Director there.

John has advised some of the largest Employer and Contracting organisations in the region on procurement, contract administration, preparing, defending, negotiating and settlement of claims, dispute resolution and litigation/arbitration support. He has developed these skills from a solid foundation of quantity surveying experience and is particularly well-versed in the preparation of prolongation, disruption and variation claims.

John has been instructed as an independent expert, giving both written and oral evidence on quantum matters in arbitration. He has also represented clients in mediation.
John holds a B.Sc. (Hons) in quantity surveying and a post graduate diploma in arbitration. He is a member of the Royal Institution of Chartered Surveyors and the Chartered Institute of Arbitrators.

Expert Services

Independent expert analysis, testimony, advice and investigations for complex disputes and projects.

Construction Expert Services

Expert analysis, testimony and advice for construction and engineering disputes and projects.