Bruno Castro Santos, with a background in architecture, has focused on abstract geometric art since 2009. His work explores geometric shapes and the formal challenges of representing them on a symbiotic relationship between the two-dimensional and three-dimensional space. His work addresses scale, structure, colour, and rhythm, influenced by gestalt theory, while embracing intuition, accident and chance.

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His compositions balance clarity and chaos, hard and soft edges, unity and fragmentation. These non-narrative works challenge the dominance of rationality, questioning the predictability in artistic representation. The geometric elements coexist with loose organic arrangements, fragments, and displacements, creating distinctive compositions . Drawing from architecture and historical references of Minimalism and Post-minimalism, Castro Santos emphasises simplicity, spatial relationships, and the economy of form, reflecting his ongoing exploration of perceptual dynamics.