The Town Administrator is appointed by and serves at the pleasure of, the Board of Selectmen. A professional public manager, the Town Administrator provides staff assistance to the Board and the First Selectman, makes policy recommendations, acts as an advisor and informational resource, carries out Board directives and policies, and coordinates the efforts of Town departments. Administrative areas of responsibility include budget development, performance measurement and evaluation, grant administration, program review, insurance administration, and purchasing.
Darien's present Town Administrator is Kathleen Clarke Buch. She has served the Town in this capacity since September 2015.