1973, independent curator, editor and cultural manager, Barcelona. He is a researcher of photography and DEA degree in Fine Arts from the University of Barcelona. In 2007 he published the book Conversations with Mexican Photographers for the Gustavo Gili publishing house in Barcelona. He is the author of "Self-Portrait in Latin America" series published in the Magazine of the newspaper La Vanguardia in Barcelona.
As a curator he has made multiple exhibitions in Spain, like Cuba Mía or Estaciones, and recently, in Latin America, Labyrinth of Gazes: a sourvey through Iberoamerica’s documentary photography in the Spanish Agency of International Cooperation and Development (AECID) and the Casa Amèrica Cataluña, which has visited 18 Latin-American countries and Spain in 29 itinerancies, as well as Resiliencia (Resilience), sponsored by the Instituto Cervantes, and was awarded the “Premio del Público M2 El Mundo” for best PHotoEspaña exhibit of 2009. Then, Resiliencia was shown in Madrid, Chicago, New York, New Delhi, Rome, Istanbul, Tetouan, Casa Blanca, Rabat and Tangier. Carreras has also been Director of the First Meeting of Latin American Photographic Collectives in Sao Paulo in 2008. He is also Director of E·CO, supported by the Ministry of Culture of Spain. This exhibition brought about a conference of European and Latin American Photography Collectives. After having been shown in Spain and Brazil, it was shown in U.S. cities like Washington, Miami, Chicago, Albuquerque and Ocklahoma. This exhibition is showing at Santos, Brasil. He also coordinated the third encounter of Photographic Collectives made in Santos, Brazil, in 2014. Carreras is an adviser for Latin American Photography Forum of Sao Paulo since it’s first edition, curating the 2013 and 2016 editions. He’s also the general curator for Paraty em Foco Festival since 2012.
He was the curator for the PhotoQuai Bienal in Latin American in 2013 and 2015 (Quai Branly Museum, Paris). He’s also the curator/ editor of the LatinUS project a review of the Latin Photography in EEUU made for Spain USA Foundation in collaboration with the National Portrait Gallery of Washington and the Latin Smithsonian.
He’s been also nominated for the Joop Masterclass at World Press Photo.
Since 2015 he resides between Quito and Sao Paulo directing the FLUZ project and performing editorial tasks as a founder and publisher at Editora Madalena from which has made numerous publications in Brazil.