About us

Kevin Johnston – Associate Director
Kevin has been with JSA since 1993 and was made an Associate Director in 2003. He has over 33 years experience in the construction industry where he has produced structural drawings using all materials. His area of expertise being reinforced concrete. Kevin is responsible for JSA’s production of all structural design drawings and construction information. Using the latest computing technology, and by ensuring that all designers and CAD operators have the necessary skills to utilise this technology, Kevin ensures that only quality information leaves the office.

Anthony Dinsdale – Associate Director
Anthony is the Associate Director responsible for the infrastructure department at JSA. A Chartered Engineer with 18 years experience, he has extensive experience with highways design, drainage design, earthworks and site infrastructure. From scheme design to formal approval, under Anthony’s supervision, his team of engineers have successfully completed numerous projects of considerable size and complexity.