Jonathan Melzer



Director, Delay Expert

Jonathan Melzer is a director in the Expert Services practice, based in Paris. Jonathan leverages more than 12 years of construction experience. He provides independent expertise to law firms, construction companies and clients with disputes involving delays and disruption to construction projects.

Jonathan joined Kroll through the acquisition of Blackrock Expert Services Group ("Blackrock") in 2020. Before that, he was a managing consultant at Blackrock. At Blackrock, and subsequently at Kroll, Jonathan has built invaluable experience in international disputes, covering arbitrations in civil and common law jurisdictions in Europe, Africa, America, Asia and the Middle East.

Before joining Blackrock, Jonathan gained extensive experience in civil engineering and project management. He has worked on large civil engineering projects such as tunnels, railways, buildings and energy. His experience covers design office roles and roles based on construction sites. Jonathan has worked on flagship projects such as High Speed Two and Thames Tideway Tunnel.

Jonathan holds a Master of Engineering from the University of Bristol and a Diplôme Universitaire in international construction contracts from Université Panthéon Assas, Paris. He is a chartered member with the Institution of Civil Engineers and the UK Engineering Council. He is also a member of the Society of Construction Law. Jonathan is fluent in English and French.

Expert Services

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