Diaa Elmaddah
Rail Design Department Lead
A well-rounded professional engineer and program director, Diaa Elmaddah offers extensive experience in design-build and multidisciplinary engineering design and management. He has more than 25 years’ experience on projects involving transit and railroad infrastructure including underground structures, shops and yards, track and rail systems and railroad stations. He has managed projects with a combined capital value of more than $2 billion for rail agencies in the New York and New Jersey metropolitan area, including Long Island Rail Road, Metro-North Railroad, NYC Transit and NJ Transit.
