Our people

James has over 20 years' experience of developing successful teams to provide an industry leading service to customers and clients.

With an enthusiastic and structured approach, and an extensive knowledge of building and operating a utilities and construction business, James holds a customer focussed strategic vision and has an excellent track record of client satisfaction.

With significant board level experience, James has a clear focus on governance, people and team development, while driving business reputation and increasing EBITA.

A delivery focussed professional with an excess of 15 years in the infrastructure industry, and a specific focus in utilities. Andrew is driven by successfully delivering for customers with both programme and budget as the central focus.

He prides himself on having an eye for detail and being analytical in his approach to solutions presented to clients. Andrew is a strong leader and has successfully coached and mentored numerous colleagues within Turnbull, maximising their potential and supporting them to achieve their professional aspirations.

Cal has over 10 years' experience in various roles within the construction industry and possesses strong credentials in SHEQ strategy, development, systems and governance, including professional memberships with IOSH and IIRSM.

He leads the SHEQ strategy and works closely with the Managing Director and Senior Leadership Team to set and drive the medium to long term strategies for Safety, Security, Health, Environmental and Quality.

Cal sets the standards and expectations for the safety of our people, clients and environments in which we operate, while continuously monitoring performance to drive improvement.