Edwin Laureano Rosa Vazquez Ortiz (born October 15, 1981), known professionally as Ñengo Flow, is a Puerto Rican singer and songwriter. He was born in the Río Piedras district of San Juan, Puerto Rico and grew up in Bayamón, Puerto Rico where he started in the music business. At the age of 14 Edwin Rosa was first presented on stage in the neighborhood where he lived in a community movement.
After a few years he became known as "Ñengo Flow". His first work as an artist was to release a mixtape with colleagues and friends. He then released his first studio album Flow Callejero in 2005. He continued to release mixtapes including El Combo Que No Se Deja in 2007 and La Verdadera Calle in 2010. He also appeared on various reggaetón compilation albums including Los Anormales (2004), Sangre Nueva (2005), DJ Joe – Abusando del Género (2006). In 2011 he launched his mixtape Real G4 Life and in 2012 Real G4 Life 2 as well as a Real G4 Life 2.5. Real G4 Life 2 reached number 75 on the Billboard Top Latin Albums chart while the 2.5 edition reached number 61 on the same chart. Also in 2012 he appeared on various artists' albums, including Ivy Queen's Musa while also providing uncredited vocals to the song "La Killer".