 In 2002 Martinez was one of the first non-Japanese artists to be invited to exhibit at the Contemporary Artists Federation Group Show at the Museum of Modern Art, Saitama, Japan.In 2000, he was a visiting professor of art at the University of Arizona in Tucson, and in 2001 he received the Native Artist in Residence Fellowship from the National Museum of the American Indian.In 2005, Martinez completed a commission for the Heard Museum in Phoenix, Arizona; a 22-foot mural called "Sonoran Desert