Architect Fletcher Rae has recruited Andrew Dempster to its senior management team in Manchester.
Dempster joined Fletcher Rae as director with responsibility for helping to drive the firm's business development and diversity strategy into new sectors.
He was a director for 18 years at DTR and joined from The Radcliffe Partnership, which went into liquidation in October 2012.
Andrew Rae, managing director of Fletcher Rae, said: "Andrew has significant experience across a broad range of key sectors, including commercial, industrial and retail. He will undoubtedly bring additional skills to the table, particularly those gained as principle director at a number of highly regarded practices."
Fletcher Rae is a 20-strong practice operating across commercial, industrial, retail, leisure, education, master-planning, energy from waste and residential sectors.