Marina Isgro is associate curator, media and performance art, and Melissa Chiu is director of the Hirshhorn Museum and Sculpture Garden in Washington, DC.

Alan Ket is cofounder and curator of the Museum of Graffiti and Wynwood Gallery, Miami, Florida.

Peter Michalski is an expert in uncommissioned public works on walls and trains.

Jochen Volz is the director of the Pinacoteca de São Paulo, Brazil.

Marguerite Itamar Harrison is an expert on Brazilian art at Smith College.