The term "a driving force" is one way to describe this individual and with the sudden explosion of Latin Hip Hop/Reggeton, in urban areas like New York City's underground music realm, Impetus is just that. Born Leandro Jose Aybar Rosario on August 21, 1980 in Santo Domingo, Dominican Republic. Impetus began to develop his rap skills as a member of the well known, Dominican Hip Hop group "Campamento Revolucionario". The group was well respected amongst the followers of the genera at the time.