Christopher Rosario was elected to represent Bridgeport's 128th Assembly District in 2014 and currently serves as Deputy Speaker of the House. He is a member of several legislative committees, including Appropriations, Transportation, Government Administration & Elections. 

In 2016, Rosario was one of Connecticut's 7 presidential electors for Hillary Rodham Clinton. 

Apart from his role as a State Representative, Christopher is deeply committed to serving his community. He has been actively involved with various national organizations, including NALEO (National Association of Latino and Appointed Officials) and BLLL (Board of Latino Legislative Leaders), as well as the Connecticut Hispanic Democratic Caucus, the Greater Bridgeport Latino Network, and the Fairfield County Hispanic Business Chamber. 

Christopher's commitment to the Hispanic community is also evident through his involvement with The Hispanic Heritage Committee, which coordinates activities, events, and workshops during Hispanic Heritage Month to promote the rich culture and traditions of Latin American countries. He has also been recognized as a Young Latino Leader and a Champion of Change by CT Latino News. 

In addition to his work with the community, Christopher has been involved with initiatives to improve the quality of life for all residents. Prior to running for State Representative, Christopher was elected as a member of the 136th District Town Committee in Bridgeport and was chosen by his colleagues to serve as the District Leader. He played a crucial role in organizing the Alpha Community Service's Annual Walk to End Homelessness, which raised over millions of dollars to assist families in transition. He is also a board member at Alpha Community Services, a branch of the Central Connecticut Coast YMCA. 

Christopher's passion for quality-of-life issues has made him a leader in the field. He is the former Chair of the Black and Puerto Rican Caucus and was also the City of Bridgeport's youngest department head when he served as Director of Anti-Blight and Illegal Dumping. He has been recognized for his leadership and dedication to his community by being named to Connecticut Magazine's 40 under 40 Class of 2014. 

In 2015, Representative Christopher Rosario was selected by the Connecticut Alliance of YMCAs to receive one of their Legislative Champion Awards. He has also been recognized as a legislative champion by the McGivney Community Center, Inc. and the Greater Bridgeport NAACP. Christopher was named Co-Chair of the Connecticut Complete Census Count Committee, an advisory panel of community leaders who represent diverse populations from across the state. In 2022, he was nominated for the Latino de Oro award. 

Born and raised in Bridgeport, Christopher attended Bridgeport Public Schools and is a graduate of Harding High School. He currently resides in Bridgeport with his wife Katherine and their three children, Anthony, Chris Jr., and Isabella.