OMAHA, Neb. — Doug Thiessen, P.E., D.PE., has joined HDR as the West Region maritime lead. Based in Long Beach, California, Thiessen will focus on expanding our ports and maritime capabilities as…

OMAHA, Neb. — HDR has promoted Sam Tso, P.E., to serve as West Region transportation director. As director, Tso will be responsible for a region that spans the western United States…