GMA 7 is one of the major commercial television and radio networks in the Philippines. It was originally known as DZBB TV Channel 7 when it first broadcast on television in 1961. Over the years it changed names, becoming GMA Radio-Television Arts in 1974 and GMA Rainbow Satellite Network in 1992 before taking its current name GMA Network in 2002. GMA 7's key people include Chairman and CEO Atty. Felipe L. Gozon and President and COO Gilberto R. Duavit Jr. Popular programs on GMA 7 include the newscasts 24 Oras and Saksi, the noontime show Eat Bulaga, and public affairs shows like Imbestigador and I-Wit