Viso is executive director of the Walker Art Center in Minneapolis, Minnesota, which ranks among the five most-visited modern/contemporary art museums in the United States. Prior to her tenure with the Walker Art Center, Viso held positions at the Smithsonian Institution's Hirshhorn Museum and Sculpture Garden, starting as assistant curator and becoming director in 2005. Viso was a curator at the Norton Museum of Art in West Palm Beach, Florida, from 1993 to 1995, and held several curatorial and administrative positions at the High Museum of Art in Atlanta, Georgia, from 1989 to 1993. She serves on the board of directors of the Andy Warhol Foundation for the Visual Arts, and is a member of the Association of Art Museum Directors. From 2003 to 2006, she served on the Federal Advisory Committee on International Exhibitions. Viso received a BA from Rollins College and an MA from Emory University.