Dean Fuleihan is a Lebanese-American civil servant, who will serve as First Deputy Mayor of New York City from 2026 under mayor Zohran Mamdani, having served in the same role from 2018 to 2021 under mayor Bill de Blasio. Previously, he served as the budget director of the New York City Mayor's Office of Management and Budget, and the New York State Assembly chief fiscal and policy advisor for over 30 years, and as a vice president at SUNY College of Nanoscale Science and Engineering.