He is an active member of F.I.J.E.V. (Fédération Internationale des Journalistes et des Vins et Spiritueux écrivains), an organization that brings together wine journalists worldwide. He writes for the magazines Cuisine&Vins (Argentina), Sommelier (Peru), Experiencia Gourmet (México) and Avianca en Revista (Avianca’s in-flight magazine).
Mariano has been nominated as one of the best wine bloggers in the world by the IWSC, being the first ever Spanish-speaking journalist to be included in the list.
Mariano writes textbooks and takes part of radio and television programmes related to food, wine and tourism in Argentina, in addition to teaching and training hundreds of people, conveying a strong spirit, typical of those who feel wine as a lifestyle.