After being elected to the New York State Assembly in 2012, Rosa resigned her office in June 2014 as part of a federal plea deal.

[2][3] A native of the Dominican Republic, Rosa admitted to lying to immigration authorities about a sham marriage.

[5] She served as chief of staff to New York City Councilman Miguel Martinez and also worked for Assemblymember Herman D. Farrell, Jr.[5] In 2005, Rosa became a United States citizen.

Rosa admitted to lying about a sham marriage to become a United States citizen and to failing to disclose income and assets in a bankruptcy filing in 2011.

[7][8][9] Rosa resigned her Assembly seat as part of the plea deal[10] and was later sentenced to a year and a day in prison.