Our people

Jonathan has over 25 years’ experience in asset management and pavement and material design for airfields and highway construction and maintenance. This dovetails with his background in bituminous binders, aggregates, asphalt technology and research, which includes hot, warm and cold technology.

Jonathan also brings international experience having worked in France, India and South Africa.

Having joined Jean Lefebvre (UK) in 2000, Jonathan is responsible for all business activities including technical, management, product control and quality.

Jonathan is also the main link to the international technical and research centre networks which enable worldwide technology transfer of which he manages the delivery of many innovative solutions.

Ahmed is a Chartered Civil Engineer accredited by the Institution of Civil Engineers (ICE) and holds membership with the Chartered Institution of Highways and Transportation (CIHT).

In 2016, Ahmed achieved his PhD in Civil Engineering from The University of Nottingham, with a specialised focus on Pavement Engineering. Joining the consultancy team at Jean Lefebvre UK Ltd in 2017, Ahmed delivers technical excellence and operational expertise in pavement design, failure investigation, sustainable material options, and remedial solutions.

James heads our Pavement Consultancy, with over 10-years’ experience in asset management, pavement engineering and material design for highway construction and maintenance.

James is a Chartered Engineer through the institute of Civil Engineering and has been appointed a Certified Pavement Engineer through the Institute of Asphalt Technology.

Len has over 25 years’ experience in the asphalt & quarrying industry, with a background in technical roles covering asphalt production, quarrying, and site work.

Len joined Jean Lefebvre (UK) in 2011 and during this time he has been involved with hot, warm and cold mix technology as well as the development of modified bitumen’s and emulsions.

Len is responsible for the daily operations of our UKAS laboratories, including the new Technical Centre, based at Cheshunt.

Luke has over 35 years’ experience in Materials Engineering, Pavement Design and Laboratory Management at UKAS accredited county laboratories.

Since joining Jean Lefebvre (UK) in 2013, Luke is primarily responsible for pavement investigations and providing treatment design solutions/recommendations. His role includes scoping of site investigations, provision of specialist on-site services and analysis of investigation findings.

Luke also provides technical advice to internal and external clients on various aspects of materials engineering, asphalt specifications and pavement design issues.