Listed in various private collections across Europe, America and Asia, Mario has exhibited in galleries both locally and abroad, and was awarded an Honourable Mention for his participation in the Brasília Biennial of Contemporary Arts 2016. He was also featured in Saatchi Art’s Inside The Studio and is currently represented by a number of prestigious international galleries.

Mario owns a gallery at the Marina, in Cascais (Portugal), where some of his paintings are publicly exhibited.