Diallo was born in Faranah, Guinea, a city that is 431km from the capital city Conakry. Moussa's passion for art and architecture started from a young age. After high school, he moved to Conakry to study architecture. Currently, one of Moussa's biggest objective is to deepen his architecture studies in order to play a role in addressing the many construction problems faced in his community. He has a vision to create an architecture of reference for his country and become an international architect.