Hosty, an engineer with nearly four decades of experience, specializes in the study, implementation, and management of drinking water networks. According to his CV, he began his classical studies at Les Gonaïves with the Brothers of Christian Instruction from 1962 to 1968. After earning his primary education certificate, he moved to Port-au-Prince to continue his secondary education, graduating from the Petit Séminaire Collège Saint Martial in 1976.
Upon completing his secondary education, he entered the Faculty