Simon makes sculptures from recycled cardboard. In 2026, he will work as Creative in Residence at the UTS Library and Artist in Residence at the State Library of NSW.

Exhibitions include solo shows "Karton Garten" at branch3D (2025), "Here Be Dragons" at the Woollahra Gallery (2024–2025) and "Cardboard Menagerie" at the Chrissie Cotter Gallery (2023), as well as "Cardboard Carousel" (2024), an installation in the Newtown Art Seat for the Inner West Council.

Simon has also collaborated with Catherine Martin and Baz Luhrmann on an installation for the New York bar Monsieur, featured in Vogue (2025).