WSP in the U.S. has elevated Avygail Sanchez to a leadership role in state and local government affairs for the West and appointed Donna Estacio as managing director of government affairs in Los Angeles. Sanchez brings more than 20 years of experience driving strategy and market expansion, while Estacio, who previously served as WSP’s West region government affairs lead, will oversee operational execution and alignment. Suffolk has hired Amy Engel as director of West Coast education, strengthening its higher education strategy. Based in San Diego, Engel has more than 40 years of experience in delivering large-scale university projects. Previously, she led major capital programs at UC San Diego and the University of Washington, overseeing projects spanning housing, labs and medical facilities. STV has announced multiple leadership updates across its West operations. David Watson has been promoted to senior vice president. He will continue to lead PM/CM expansion and major infrastructure programs.…