Anthony Romeo Santos (born July 21, 1981), is an American singer, songwriter, actor, and record producer. He is best known as the lead member and vocalist of the bachata group Aventura. In 2002, the song "Obsesión" reached number one in Italy for 16 consecutive weeks. He released several albums with Aventura before the group broke up. Since then, Santos has embarked on a solo career which has spawned seven number one songs on the Hot Latin Songs chart and sixteen number ones on the Tropical Songs chart.