The new chief has come out in defence of the coach, who has been widely criticised for the Selecao's poor form and mixed results since his appointment
The 49-year-old trainer has come under intense pressure after Brazil crashed out of Copa America in the quarter-finals at the hands of Paraguay last summer.
Marin has taken over at CBF following Ricardo Teixeira's resignation, but the new chief in command is not thinking about a change on the bench for the national team.
"The team is in a rebuilding process," Marin told Radio Bandeirantes. "We have to give credit to Menezes and his technical staff."
Earlier on Wednesday, Menezes announced a provisional 52-man list for the Olympic Games in London, with Robinho and Kaka among the high-profile players who have been left out in the cold.
How do you stay up to date with football when on the move? With http://m.goal.com – your best source for mobile coverage of the beautiful game.