Ana Lucia de Mattos Barretto Villela
Ana is a 41-year-old who is worth $3.6 billion. Her great-grandfather founded Itau, which is one of the largest banks in Brazil. The bank merged with Unibanco and together they are known as Itau-Unibanco, the largest non-state bank in Latin America. She is the youngest female billionaire in Brazil so she is set for life.