Omar Sebastian Monesterolo is an Argentinian Striker which has played for a number of Argentine clubs and others such as Valletta FC in Malta. He has been playing for Kuwait SC in Kuwait but is now back with Valletta FC in Malta.
Monestrolo spent several years in the Boca Juniors youth teams, before moving to the Banfield youth team in 2003.
His professional debut came with Sportivo Belgrano in his home town. He has gone on to have short spells with Juventud Unida de Gualeguaychu in Argentina, MPPJ FC, in Malaysia, Valletta FC in Malta and Kuwait SC in Kuwait.