Alan Belfield is currently chief operating officer and previously led Arup’s operations across the UK, Middle East and Africa.
Dr Belfield succeeds Gregory Hodkinson who completes his five-year term on 31st March 2019, the maximum tenure for chairman of the employee-owned company.
Tristram Carfrae has been reappointed deputy chairman for a further three-year term.
Arup has 15,000 employees around the world and turns over £1.6bn a year in fees.
Dr Belfield said: “It is a huge honour to be appointed the next chairman of Arup. I have worked in the firm for over 25 years, so I know what an amazingly talented group of people we have. In these uncertain political and economic times, our work and our values have never mattered more. Along with my colleagues, I look forward to working with our clients all around the world on projects that make a real difference to people’s lives.”