March 1990, Danesco produces porcelain dinnerware to be distributed in the U.S. and Canada with Marc's images.

September 1991, Marc is asked to illustrate the cover of the annual journal for U.N.E.B, Brazil. He also illustrates the covers for the 1992-96 editions.

December 1992, the Kentucky Center for the Arts use Marc's imagery for a theme gala in Louisville, Kentucky.

October 1993, Tetro creates an image for AIDS Awareness Week, sponsored by Flashmedia and exhibited in Québec province wide.

June 1993, The City of Montréal commissions marc to create an image to promote tourism.

March 1994, Tetro's first one-man exhibition of his original art is held at Studio 500 in Montréal.

June 1994, a one-man show is on exhibit at the Mezzanine gallery at L'Amphitheatre Bell in Montréal.