In 1986, she graduated from Loyola University of the South, in New Orleans, with a degree in visual arts. Ten years later, she graduated in Arts and Letters from UCA in Managua and in 1999 received a Fullbright scholarship to pursue a Master’s degree in Fine Arts at the San Francisco Art Institute, which she completed in 2001. Upon her return to Nicaragua in 2001, Belli founded the Space for Research and Artistic Reflection, EspIRA, an association dedicated to the critical and sensitive training of emerging Central American artists.
Belli exhibits regularly in Central America, South America, the United States and Europe. Between 2016 and 2017, a retrospective exhibition of her work, organized by Curator Miguel López, through Foundation TEOR/ética, travel from San José (Costa Rica) to Managua (Nicaragua) and Guatemala City (Guatemala). In 2018, her works were exhibited during the 10th Berlin Biennale for Contemporary Art.