Coria is recognized as the first manager of Lionel Messi at Newell's before his move to Spain.
[2] After working as manager of Newell's Old Boys' youth sides for more than ten years, Coria joined Gerardo Martino's staff as one of his assistants in 2003, at Cerro Porteño.
[4] On 2 March 2017, Coria was named manager of Paraguayan side Sportivo Luqueño.
[5] He left on 10 April,[6] and later started working as Mario Sciacqua's assistant at Patronato,[7] Godoy Cruz and Sarmiento.
Coria returned to Newell's in November 2021, again in charge of the youth sides, along with Gustavo Tognarelli and Ariel Palena.