In 1970, the American government awarded him an art scholarship recognizing the originality of his paintings. He returned to Haiti in 1973 and taught at the School of Fine Arts in Port-au-Prince until 1975.

Jérôme is considered as one of Haiti's foremost artists. He has widely exhibited in Haiti, Brazil, Canada, Latin America, Martinique, Santo Domingo, Sénégal and the Brooklyn Museum in New York. As Gérald Alexis, the art critic and author of the art book entitled“ Peintres Haïtiens” said “ Jérôme’s education led him to prefer form over content”