MSHL has been doing graffiti since 1998. in 2003, he began doing more important work in artistic and logistic direction through an association in France. Now in Quebec, he has been working since 2017 with the non-profit MU, which produces murals in Montreal. Since then he has painted two personal pieces such as Polygone polyglottes 2020 and Vivace 2021, and was invited as a guest artist at the Mural Festival in 2020.
Diane and MSHL have collaborated on various projects such as a mural for the local mural festival, Canettes de Ruelles in 2021-2022 and a mural at the Diane Dufresne art Center. They have also assisted various artists through mural productions with MU and have worked on the most iconic large-scale murals in Montreal.