Tiffany Gilliland

WSP USA

At WSP USA, our expertise lies at the intersection of the infrastructure and the skylines we have helped to shape from coast to coast. We can meet your needs with cross-disciplinary services across multiple sectors and markets including: advisory; buildings; water and environment; energy; and transportation & infrastructure. Our professionals have planned, designed and managed the construction of some of the most iconic high-rise buildings, bridges, highways, tunnels and transit and rail systems across the United States. Some of our most notable projects include major expansions of the New York and Los Angeles transit systems, as well as iconic buildings such as One World Trade Center and 432 Park Avenue in New York City, the Salesforce Tower in San Francisco, and the U.S. Coast Guard Headquarters in Washington, D.C.