Art curator. She was the founder and director for eight years of M & M Projects, a non-profit space dedicated to strengthening Puerto Rico's contemporary art production and its international promotion. She is co-director and co-founder of the non-profit cultural organization Beta-local a non-profit organization dedicated to supporting and promoting aesthetic practice and thinking. Marxuach has held several exhibitions in spaces such as the Joan Miró Foundation in Barcelona, the Ex Teresa in Mexico, the Museum of Modern Art in Sto. Domingo and the Museum of Art of Puerto Rico, among others.