Sam Tso  -

Sam Tso

HDR promoted Sam Tso, PE, to serve as West Region transportation director. As director, Tso will be responsible for a region that spans the western U.S. from Montana, Utah, and New Mexico to the Pacific Coast, as well as Alaska and Hawaii.

Backed by more than 40 years of experience, Tso will provide strategic leadership for the continued diversification of the company’s aviation, highways and bridges, transit, freight rail, and maritime practice areas and the expansion of the firm’s multidisciplinary technical capabilities throughout the region. His responsibilities will include project delivery oversight, recruiting and staff development opportunities, and business development support. Tso will partner with our local area teams to apply HDR’s national expertise and deliver innovative and reliable solutions that best serve communities’ changing mobility needs.

Tso’s public and private transportation experience spans a wide variety of types and disciplines. He has personally led the development and delivery of more than $4 billion in complex highway and transit improvements, from environmental reviews and conceptual engineering to final design and program management.