lAtkins has appointed Erik Nielsen as a senior member of its transport planning team.
He brings with him technical knowledge of GIS in transport and software development from his time as technical manager for Accession accessibility modelling software.
Transport for London has appointed Alex Williams as director of borough partnerships responsible for managing strategic relationships with boroughs and overseeing Local Implementation Plans (LIPs).
He will start in July.
Land redevelopment expert Ed Bullivant is to join Grontmij as environment director.
He joins from Waterman Environmental.