Catherine A. Osten is an American politician and a Democratic member of the Connecticut Senate representing District 19 since January 9, 2013. Osten was a three term First Selectman from Sprague.Graduating from the Norwich Free Academy in 1973, Osten enlisted in the United States Army. After four years of active duty, Osten returned to the United States, taking up residence in Norwich and attending Mohegan Community College.