Senor Abravanel, known professionally as Silvio Santos, was a Brazilian television presenter and business magnate. Widely regarded as the greatest personality in Brazilian television, he was the founder of the television network Sistema Brasileiro de Televisão (SBT) and the conglomerate Grupo Silvio Santos, which holds interests in media and real estate among other assets. Throughout his life, he was also involved in other areas such as music and politics. His net worth was estimated at $1.3 billion in 2013, making him the only Brazilian celebrity on Forbes' billionaires list.