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Mattia Celli
aka OQUM (b. 1990) is an Italian photographer, designer, and multidisciplinary artist based in Lisbon, Portugal. He previously lived in London for 8 years, where he worked with local and international brands to build their identity and develop their products. Since 2012, he has continued helping clients worldwide with the same focus on design and storytelling.

Alongside his design career, Mattia has been on a personal artistic journey spanning over 15 years, working across photography, video, digital and new media, painting, and sculpture. His photographic work is characterized by an introspective visual language that reflects the connection between the individual and space, between inner experience and the surrounding world.

Exhibitions & Group Shows:

Paris, France - ArtVerse Gallery "Art on Tezos Photography" (2025)

Manhattan, New York - Wonder Fair 4.0 "Natural Intelligence" (2022)

Rimini - Ricircolo di Cervelli, Museo della Citta', Ala Nuova