Anthony "Romeo" Santos (born July 21, 1981) is an American singer, songwriter, and record producer who is best known as the frontman and lead vocalist of the bachata group Aventura. In 2002, the song "Obsesión" was 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 seventeen number ones on the Tropical Airplay chart. During his career he has sold over 40 million albums and over 100 million singles.