Janette Sadik-Khan has served as the Commissioner of the New York City Department of Transportation since her appointment by Mayor Michael R. Bloomberg in April of 2007. She oversees a budget of more than $2 billion, manages 4,700 skilled employees with wide-ranging expertise, from engineering to construction finance and marine navigation, and is responsible for the operation and maintenance of 6,300 miles of streets and highways, nearly 800 bridges, 1.3 million street signs, 300,000 streetlights and 12,000 signalized intersections, as well as the Staten Island Ferry, the nation’s busiest commuter ferry service carrying more than 21 million passengers annually.