Wood Group has appointed Raymond "Ray" Schlaff to the positions of senior vice president and chief procurement officer, with responsibility for procurement strategies, processes and governance, and to drive efficiencies across the group's global supply chain. Vivek Gurjar has been promoted to senior associate, senior project manager, at Henderson Rogers Structural Engineers. Robert Ling has joined professional services firm HSSK as a senior managing director in the firm's Houston office. J.B.