About Gregory
Gregory Slater was nominated to serve as Secretary of the Maryland Department of Transportation (MDOT) in December 2019 after more than two decades of public service. On February 24, 2020, he was confirmed as Secretary by the Senate of Maryland.
Mr. Slater’s career has been defined by dedication, performance-driven transportation, and collaborative and creative problem-solving. With 22 years of experience at the MDOT State Highway Administration (MDOT SHA), Mr. Slater worked his way up from where his career began in Plats and Survey operations to leadership positions on both the engineering and planning/programming offices to become Administrator in 2017.
His career growth includes nearly a decade as the MDOT SHA Director of Planning where he developed a keen understanding of the transportation system’s and MDOT’s critical role in the safety, accessibility, mobility, economic vitality and quality of life for all Marylanders. Mr. Slater describes Maryland’s transportation network as a “system of systems” and knows how each mode of transportation must function safely and efficiently for residents and businesses to thrive. He promotes the integration of smart technology and performance data to help MDOT unlock solutions to some of Maryland’s greatest transportation challenges with a focus on building the foundation of a transportation system for the next generation to thrive.
As Secretary, Mr. Slater leads a transportation department with more than 10,000 employees and an operating budget of nearly $5.4 billion. He oversees every aspect of state transportation, from its highways, roadways, transit systems/services and toll facilities to motor vehicles, the BWI Thurgood Marshall Airport and the Helen Delich Bentley Port of Baltimore.
Mr. Slater is a lifelong Marylander, a 1997 graduate of Towson University and leads many committees and efforts to strengthen the industry within the Transportation Research Board and the American Association of State Highway and Transportation Officials.