He developed his skills by attending the literary workshops of Poli Délano [es], Antonio Skármeta, and Carlos Franz.

Written by Nona Fernández and premiered in 2012, it is inspired by the literary workshop that Mariana Callejas had at her home in Lo Curro [es], while her husband Michael Townley directed the operations of a DINA barracks in the basement.

[5] After these two books appeared in 2012, he published the novels Lacra, La patria – whose main character is Francisco Javier Cuadra, minister of Augusto Pinochet[6] – and Pascua, "which has at its center the abuses committed by priests.

He has a son, Dante, with his partner, the writer Nona Fernández, whom he met when they both studied at the Theater School of the Catholic University.

[8] In 2004 the couple founded the theater company La Fusa,[9] with which Leonart staged all his works from Grita to Liceo de niñas.