Ken Wilson (F), senior partner at Ken Wilson Associates' Inverness office, has retired.
Duncan McCormick (M) has taken his place.
Posford Duvivier is now operating in the UK under its new title Posford Haskoning. The global group will operate worldwide as Royal Haskoning.
Nigel Moore (M) and Andy Duggins (M), both previously with Hyder Consulting, have joined Parsons Brinckerhoff at the Birmingham office as engineering manager and principal engineer respectively. They will be actively pursuing opportunities in the rail market.
Tony Collins (M) will succeed Bob Jukes (F) as managing director of the engineering division of M J Gleeson. He was a director of the division for the past three years, with specific responsibility for business in Scotland.
Andrew Fox (M) has been appointed as a lecturer in disaster relief and development engineering at Coventry University's School of Science & Environment.
Ornance Survey has appointed Neil Ackroyd as director to its data collection and management team. His previous role was European technical manager, developing the use of satellite and laser stations for surveying and construction applications.
IKM Consulting of Falkirk has appointed Alistair Kean as environmental technical director.
Andrew Gay is the new chairman of Warings Construction Group Holdings, succeeding David H Williams.