Peter Davies and Mazin Alhamrany have joined Scott Wilson's Chesterfield-based geotechnics team. Davies will concentrate on development-related work and dispute resolution while Alhamrany will head the numerical modelling and analysis team.
John Kiely has been appointed commercial director on Tensar International's board.
Ed Maloney has been appointed general manager of Barhale's Rail Division. He joins from Balfour Beatty.