Los Angeles — At the beginning of 2015, Ryan McLean is set to become the new CEO of Psomas, one of the top-ranked engineering firms in the nation. Previously, McLean was the firm’s Chief Development Officer. Prior to that, as Corporate Director of Survey and Mapping, he built the firm’s Survey Group into the largest survey operation in the Western U.S.

McLean is taking the reins from Blake Murillo, who will continue as Chairman of the Board.