John Brennan

With more than 40 years’ experience in construction, John has played an important role in Celtic’s development for over three decades.

He joined Celtic in 1995 as Commercial Contracts Manager and was instrumental in evolving the business from its labour-only roots into the company it is today.

Appointed Construction Director in 2002, John is responsible for the successful delivery of Celtic’s construction projects. His experience, determination and hands-on approach have shaped how the company manages and delivers its work.

Known for his old-school values and commitment to getting the job done properly, John is highly respected for delivering demanding, fast-track and complex projects to the standards expected by Celtic and its clients.

His approach to construction and project delivery continues to influence the business today and has helped lay the foundations for many of the standards Celtic works to.