He is the Parliamentary Representative for Vieux Fort North.
Before entering politics, Moses was an agricultural science teacher at the Vieux Fort Comprehensive Secondary School Campus A and then moved on to be the head master at the Vieux Fort Primary school.
Baptiste is part of a local cultural and drumming called "tanbou melee."
He successfully contested the 2006 general elections in St. Lucia and is a first term Parliamentarian.
Baptiste is the Labour Party's spokesperson on Rural Development, Agriculture and Culture.