Menant began his career as a sports reporter for RTL. He then joined TF1 and Antenne 2, where he hosted the show Les Jeux de 20 heures and was the weather presenter for Antenne 2's News Channel. From 1997 until 2008, he worked as a Europe 1.
Since 2008, Menant has been a radio host on Direct 8. In addition, he is also currently hosts the show Partageons nos idées on BFM TV.
