ORLANDO, FL — Dewberry, a privately held professional services firm, announces that Sean Carrigan, PE, Scott Kamien, PE and Hannah Hart have joined its Orlando office.

Carrigan joined the firm as a Senior Engineer, where he will manage the drainage department. He has more than a decade of experience as a Senior Engineer with a background in roadway drainage design, project development and environmental studies. His most recent experience includes designing the secondary drainage systems for State Road 82, which includes the first continuous flow intersection design in Florida.

Carrigan earned his bachelor's degree in civil engineering from the University of Central Florida. He is also a Professional Engineer in the state of Florida.

Kamien joined the firm as a Senior Project Manager. With more than 25 years of experience, he is an expert in the toll transportation industry. He will serve as Project Manager for Central Florida Expressway (CFX) widenings on State Roads 429 and 417 and assist with the overall contract responsibilities. Prior to joining Dewberry, Kamien served as a Senior Manager on a variety of limited-access projects, most notably the widening of State Road 408 through downtown Orlando.

Kamien received his bachelor's degree in agricultural engineering from the University of Florida. He is a Professional Civil Engineer in Florida. He is also a member of the International Bridge, Tunnel and Turnpike Association and the Transportation and Expressway Authority Membership of Florida.

Hannah Hart joined the firm as a Senior Environmental Scientist. At Dewberry, Hart's responsibilities will include project management of natural environmental matters, focusing on major transportation infrastructure and municipal work. Hart will also train and mentor junior biologists and interns.

With nearly 16 years of experience in both private and public industry, Hart has managed environmental services for more than 400 transportation projects, including the Wekiva Parkway, Interstate-4 Ultimate, Suncoast Parkway II and most recently, the First Coast Expressway. For the majority of her career, she managed environmental resource permitting for the Florida Department of Transportation's District Five and Turnpike Enterprise. Hart has worked on numerous agency teams to streamline environmental regulation in recent years, where she brings a strong background in state Environmental Resource Permitting (ERP), National Environmental Policy Act (NEPA) and federal wetland regulations (Section 404).

Hart earned her bachelor's degree in wildlife ecology and conservation from the University of Florida.