Guglielmo Castelli has shown his works in both solo and group exhibitions.
Select solo exhibitions include Calm act in closed room, Mendes Wood DM Gallery, Brussels (2021); Sia inteso come tutto ciò che non pesa, Le nuove frontiere del contemporaneo Fondazione Coppola, Vicenza (2019); Goodmorning Bambino, Künstlerhaus Bethanien, Berlin (2018); Asomatognosia, Sala Reale, Porta Nuova, Turin (2017).
Select group exhibitions include Fifteen Painters, Andrew Kreps Gallery, New York (2021); Phantasma, Francesca Antonini Contemporary Art, Rome (2019); Dittico, Museum of Contemporary Art, Lissone (2016).
