“Craig is a respected leader who’s well-known for managing teams for project efficiency and success,” said Lacy Vong, HNTB San Jose Location Leader. “His track record of working in the design-build process with government agencies, public works departments, contractors, architects, engineers, and the U.S. Department of Defense demonstrates his talent and expertise from project conception through construction completion.”
Constant has more than 30 years of experience in managing a wide range of building development projects across multiple states. He most recently worked as Senior Development Project Manager on the Google San Jose Downtown West Mixed-Use Redevelopment Project, where he led infrastructure operations, focusing on infrastructure design and planning, including PG&E and City of San Jose utility relocations, environmental mitigation, demolition, and historic preservation/relocations.
Constant received a Bachelor of Science in construction management from Colorado State University and is a Certified Construction Manager.
“I am pleased to welcome Mark to our growing rail and transit team,” said Michelle Dippel, HNTB West Region President. “His proven leadership and extensive transportation industry experience will be a valuable asset as we continue to successfully deliver innovative transit and rail solutions to meet the growing needs of our California clients.”
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Prior to joining HNTB, Chang served the California High-Speed Rail Authority as Regional Delivery Partner Southern California Director of Projects, providing oversight for more than 80 program management and regional consultant staff and coordinating with federal, state, and local transportation agencies. He worked closely with the Authority and his consultant team members to complete environmental clearance of the Burbank-to-Los Angeles project section of the high-speed rail system in 2022.
Earlier in his career, Chang managed and supported numerous transportation projects for client agencies, which included evaluating Exposition Line maintenance facility sites for the Los Angeles County Metropolitan Transportation Authority; providing OC Streetcar program management services for the Orange County Transportation Authority; and developing a Transit Asset Management Plan for the Southern California Regional Rail Authority, among others.
Chang received a Bachelor of Science in civil engineering from the University of California, Berkeley and a Master of Science in transportation from the Massachusetts Institute of Technology.
