Esa aka El Presidente, born Francesco Cellamaro (Reggio Calabria, 1 October 1972), is an Italian rapper and beatmaker of Calabrian origins.

Francesco grew up musically listening to groups such as Eric B & Rakim, Run-DMC, Public Enemy and the Beastie Boys.

In 1991 the collective Otierre (Originale Trasmissione del Ritmo) is founded, union of breakers, beatmakers, DJs and MCs, or representatives of each of the four core disciplines of hip hop.

In 1998 Esa and Polare change their names respectively to El Presidente and Polaroide founding the group Gente Guasta.

In 2002 he starts his first solo project Tutti Gli Uomini Del Presidente, self-produced and distributed by Vibrarecords.