Brazilian businessman Antonio Jose Carneiro has an estimated net worth of $1.2 billion as of March 2013 according to Forbes. According to research, majority of Antonio Jose Carneiro's wealth is derived from Energisa which is a publicly-traded company that currently controls 10.5% of the electricity distribution  in the Northern region of Brazil.

Initially, Carneiro worked in the banking industry. After becoming interested and involved with the electricity distribution, he decided to purchase stakes at Cataguazes Leopoldina after Alliant bid its stakes for sale at a very affordable price. Today, Cataguazes is a well known electricity distributor in Brazil. Currently, he sits as the Chairman of Joao Fortes Engenharia, a sales and real estates company based in Rio de Janeiro.