Karina Ruiz is a well-known activist for immigrant rights in the United States. She was born in Mexico and came to the U.S. as an undocumented immigrant. Ruiz became a prominent leader in the fight for the rights of young immigrants, particularly those under the DACA (Deferred Action for Childhood Arrivals) program. She has worked with various organizations to advocate for immigration reform and has been an important voice within the immigrant community.