Paradox is a fundamental element in Macchi's way of conceiving each work: systems that contradict one another, impossible symmetries, structures that contain the seed of their own destruction.
Among the artist's solo exhibitions, highlights include False Autumn, Galleria Continua, San Gimignano, Italy (2024); Las Islas Vírgenes, Galería Elvira González, Madrid, Spain (2023); A Estatura da Liberdade, Galeria Luisa Strina, São Paulo, Brazil (2022); The Submerged Cathedral, Cantonal Museum of Fine Arts, Lausanne, Switzerland (2020); Der Zauberberg, Quartz Studio, Turin, Italy (2019); Suspension Points, Galleria Continua, San Gimignano, Italy (2019); Double Click – a two-artist exhibition with Irina Kirchuk, UNA, Hamburg, Germany; Perspectiva, CA2M Centro Cultural de Arte Dos de Mayo, Madrid (2017); MALBA Museo de Arte Latinoamericano, Buenos Aires (2016); Espectrum, Le 19 CRAC Centre Régional d'Art Contemporain, Montbéliard (2015); Music Stands Still, SMAK Stedelijk Museum voor Actuele Kunst, Ghent (2011); and Anatomía de la Melancolía, Santander Cultural, Porto Alegre, as part of the Mercosul Biennial (2007). The latter subsequently traveled to the Blanton Museum, Austin (2007), and the CGAC Centro Gallego de Arte Contemporáneo, Santiago de Compostela (2008).
Recent group exhibitions include Beaufort Triennial, Beaufort, Belgium (2024); Mirror of the Mind, Jorge M. Pérez Collection, Miami, USA (2024); Un Lento Venir Viniendo, Oxenford Collection, Fundação Iberê, Porto Alegre, Brazil (2024); Argentina. What the Night Tells the Day, PAC Padiglione d’Arte Contemporanea, Milan, Italy (2023); The Double: Identity and Difference in Art, Since 1900, curated by James Meyer, National Gallery of Art, Washington DC, USA (2022); Seeing and Perceiving, King Abdul Aziz Center for World Culture (Ithra), Dhahran, Saudi Arabia (2021); 2nd Bienal Internacional de Arte Contemporáneo de América del Sur, Ushuaia and other cities, Argentina (2019); and Tensão: Relações Cordiais, A Casa do Parque, São Paulo, Brazil (2019).
He has participated in the art biennales in of Liverpool (2012); Sydney (2012); Lyon (2011); Istanbul (2003 and 2011); Auckland (2010); New Orleans (2008); Yokohama (2008); Porto Alegre (2003 and 2007); São Paulo (2004 and 2006); Venice (2005); Prague (2005); Fortaleza (2002); and Havana (2000). He represented Argentina at the Venice Biennale in 2005.
His work is part of collections such as: Tate Collection, England; MoMA - Museum of Modern Art, USA; MUSAC - Museu de Arte Contemporáneo de Castilla y León, Spain; CGAC - Centro Galego de Arte Contemporânea, Santiago de Compostela, Spain; MAMBA - Museo de Arte Moderna de Buenos Aires, Argentina; MUHKA - Museum of Modern Art Antwerp, Belgium; Museo del Barrio, USA; SMAK - Municipal Museum of Contemporary Art, Belgium; MALI - Museo de Lima, Peru; MAMAC - Musée d’Art Moderne et d’Art Contemporain, France; Fundación Arco, Spain.