João Roberto Marinho (Rio de Janeiro, September 16, 1953) is a Brazilian businessman, chairman of the Editorial Board and vice president of the Globo Organizations.

He is the third of four children of the deceased Brazilian tycoon Roberto Marinho (3 December 1904 – 6 August 2003).

[1] João Roberto began his career as a journalist for the newspaper "O Globo".

[2] According to Forbes 2015 World Billionaire's list, Marinho was placed at number 165 with an estimated net worth of $8.2 billion.

[3][4] João Roberto is an amateur rider and was Brazilian champion by teams in 2010 (range of 1.20 m) mounting Haria.