Timpson Joins HNTB

Written by Carolina Worrell, Senior Editor, Railway Age
Diana Timpson, Senior Project Manager of Rail Transit, HNTB
Diana Timpson, Senior Project Manager of Rail Transit, HNTB

HNTB has appointed Diana Timpson, PE, PMP, as Senior Project Manager of Rail Transit in the firm’s Seattle, Wash., office.

She brings more than 20 years of industry experience to her new role as Design Manager for Sound Transit’s West Seattle and Ballard Link Extensions. Currently in preliminary engineering, the extensions project, according to HNTB, is one of the “most transformative infrastructure projects in Seattle’s history, and one of the largest light rail expansion projects in the U.S. today.” Timpson will support multi-discipline team management and design delivery for this and other rail transit programs regionally and nationally.

Prior to joining HNTB, Timpson spent 16 years with KPFF Consulting Engineers in Seattle, most recently as Senior Project Manager and Associate. In that role, she led design from planning through construction support, leading multi-discipline teams on a wide range of transit projects, including Colman Dock and Mukilteo Ferry Terminal for Washington State Ferries, Tukwila Sounder Station for Sound Transit, and Community Transit’s Kasch Park Base Expansion. Her transit experience ranges from bus maintenance to multi-modal facilities, including commuter rail and light rail stations, ferry terminals, and garages.

Timpson also has more than 10 years of experience in managing the analysis, design and detailing of various structural systems for transit facilities; parking structures; and commercial, residential and industrial buildings. Earlier in her career, she served as a Project Assistant in the architecture industry in Boston, delivering documentation management, construction support, drafting, graphics support and work-planning management.

Timpson holds a Master of Structural Engineering from Cornell University and a B.S. in civil engineering from the University of Massachusetts Lowell. She previously earned a B.A. in philosophy from Colgate University.

“Diana brings a high level of experience and expertise to HNTB and will play an integral role in advancing our rail transit programs,” said Brad Miller, PE, HNTB Group Director and Office Sales Manager for Washington state. “Her depth of knowledge in design, program management and transit construction management will be invaluable serving our rail transit clients across the nation. We are thrilled to welcome Diana to our team.”

“I’m excited and honored to join HNTB, a firm renowned for its technical excellence and for delivering extraordinary transportation projects across the U.S.,” said Timpson. “This role brings the opportunity to work on projects that are particularly challenging for their scale and complexity. I look forward to helping HNTB deliver solutions for our clients—on the West Seattle and Ballard project and on future transit projects—to meet the changing needs of residents and commuters.”

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