Sergio Olguín is an Argentine author, journalist and literary critic born on 29 January 1967 in Buenos Aires.
He was also coordinator for the literature segment of the cultural event Desde el Borde, organized by the Fundación Banco Patricios in 1993.
The next year he obtained a First Mention in the Concurso de Narrativa del Concejo Deliberante of the City of Buenos Aires.
Aguafuertes inéditas which collected previously uncollected journalistic and critical writings of the Argentine cult writer Roberto Arlt and were published by Ediciones 12 and Página/12 in 1996.
From 1997 until 1999, he was responsible for the publishing house Vian Ediciones and manager of the Culture and Entertainment sections of the business daily Buenos Aires Económico (B.A.E.).
He was also the editor in charge of the sections on Literature and Myths of the Twentieth Century of the portal operated by Advance Telecomunicaciones under Telefonica Group.
In the same year Olguín edited and wrote the foreword of the book Escritos con sangre (Written in Blood) (published by Standard), an anthology of stories based on Argentine police cases.