NH DOT Commissioners
The NHDOT has three Commissioners that lead the Department.
William J. Cass, Commissioner
William J. Cass
Bill Cass was confirmed by New Hampshire Governor Christopher T. Sununu and the Executive Council on December 7, 2022.
Commissioner Cass joined the NHDOT in 1986 and has over 35 years of state service with the NHDOT. Prior to serving as Assistant NHDOT Commissioner he held a number of supervisory and management positions at the Department including, Final Design Supervisor, Preliminary Design Section Head, Chief Project Manager, Assistant Director of Project Development, and Director of Project Development. Bill was one of the Project Managers for the largest project the NHDOT has ever undertaken - the 20 mile, 800 million-dollar reconstruction and widening of Interstate I-93 from Salem to Manchester and was involved with the project throughout its development and construction. He is also actively involved on committees for the American Association of State Highway and Transportation Officials (AASHTO), and the Northeast Association of State Transportation Officials (NASTO).
Bill has a Bachelor of Science degree in Civil Engineering from the University of New Hampshire, and lives with his wife Colleen, in Laconia.
David Rodrigue, NHDOT Assistant Commissioner
David Rodrigue
Dave was confirmed as Assistant Commissioner on December 20, 2022. He started with NHDOT in 1991 and has worked in the Bureaus of Highway Design, Construction, Traffic and Highway Maintenance. In 2005 Dave was the Department’s first Transportation Management Center and Intelligent Transportation Management System Program Manager where he worked to construct, outfit and open the 24 hour a day X 7 days a week Transportation Management Center. Over the next 5 years Dave was the Assistant District 3 Engineer in 3 Gilford, the Interim District 1 Engineer in Lancaster and The District Engineer in District 5 Bedford before becoming the Assistant Director of Operations in 2012. Most recently Dave has been the Director of Operations since 2016. Dave believes providing a safe, accessible, well planned, constructed, preserved and maintained transportation system is a critical responsibility to enable prosperity and quality of life for all.
Dave graduated from UNH with a Bachelor of Science degree, he is married to his wife Jodie, and he lives in Webster NH.
Andre J. Briere, NHDOT Deputy Commissioner
Andre J. Briere
Andre J. Briere serves as the Deputy Commissioner of the New Hampshire Department of Transportation. He was sworn into his current office on August 6, 2021.
Mr. Briere brings extensive aviation, transportation, logistics, emergency management, and safety management experience to his role as Deputy Commissioner. These skills were honed over decades of increasingly responsible US military commands and C-suite roles in industry. He is a US Air Force Command Pilot, Lean Six Sigma Black Belt, and FEMA-certified National Executive Emergency Manager.
Andre graduated with honors from the United States Air Force Academy in 1990 and holds multiple graduate degrees with academic distinction. He retired from the US Air Force as a full Colonel in 2019. Mr. Briere most recently served in government as the Defense Attaché of the United States to the Russian Federation in Moscow, Russia. In that capacity, he served as the senior US defense official to the Russian government and the personal representative of the Secretary of Defense and Chairman of the Joint Chiefs of Staff to the Russian General Staff. He lives near Concord, NH with his wife Catherine; they have two grown children, Andre W. and Reagan.