Agustina was born in Mar del Plata, Argentina. She is a graphic designer and visual artist, graduated from School of Visual Arts Malharro. She runs her own Graphic Design Studio –Cosulich Design– and also works at the Design Department of EUDEM - the National University of Mar del Plata Publishing House.
She has participated in the 11th, 12th and 13th International Poster Biennial in Mexico, the 3rd and 5th Biennial of Poster Bolivia, the Italian Poster Biennial, 5th and 6th Athens Video Art Festival (Greece), the Camagüey Video Art Festival (Cuba), the Poster Quadrennial Bardejov (Slovakia) and the International Invitational Poster Festival (Turkey), among others.
Her poster "The Metamorphosis" obtained the 3rd place at the Poster Quadrennial Bardejov 2017 (Slovakia) and the 3rd place at Biennial of Poster Bolivia 2017.
She has been invited to participate in important international poster collections such as “Union of Designers International Invitational Poster Exhibition: The commemorate of Rene Wanner” (Iran) "Tribute to Rene Wanner" (Biennial of Poster Bolivia), "Tribute to Vinicius de Moraes" (Biennial of Poster Bolivia), "The Metamorphosis of Franz Kafka, vestige of a restless sleep" (International Poster Biennial in Mexico) and "Voices in Freedom" (International Poster Biennial in Mexico). As a member of the collective poster collection “Voices in Freedom”, her work was exhibited in over 40 countries.
Her artwork was published in the book “Head to Toe: The Nude in Graphic Design” by Mirko Ilic and Steven Heller (Rizzoli Books, USA, 2018), "DPI Magazine" (Taiwan, 2011), the book "Voices in Freedom" (International Poster Biennial in Mexico) and the book "Diseño Latinoamericano: Afiches 2007” (Universidad de Palermo, Argentina).
She has worked for clients such as Playing for Change, Pelli Clarke Pelli Architects (USA) and the film Alpha (Greece), among others. She is a founding member and current Board member of Atlantic Coast Graphic Design Association. She was a jury member at four logo design contests and has worked as a professor.