Mike Hall (M) has been appointed associate director in the Newcastle upon Tyne office of WSP to lead the development infrastructure group. He was formerly leader of the infrastructure group at Ove Arup & Partners' Newcastle office.
Peter Hookham (M) has been appointed as the county traffic and ITS engineer for Devon County Council.
David Padden and Andrew Kingston have become executive directors of Geo Houlton & Sons with responsibility for construction and building and maintenance respectively.
Keith Gowenlock has joined WSP Development as technical director at the company's Edinburgh office. Gowenlock was formerly business manager in Scotland for Steer Davies Gleave.
Gordon Allerton has also been promoted to associate in the Edinburgh office, heading the infrastructure team.
Matthew Collings, technical director at consulting engineer Gifford & Partners, is to become a partner in the firm.
Bay Associates, consulting civil and structural engineer based in Cardiff, has promoted Matthew Jessop to associated partner.
The Project Centre (PCL) has welcomed traffic engineer Patricia Cazes-Potgieter to its traffic and transportation team.