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.
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