The San Francisco Museum of Modern Art has named Diana one of the leading art collectors in California. Her specialty is finding, recognizing and collecting new artistic talent. Andy Warhol, Robert Raushenberg, Ed Rusha, Wallace Berman, George Herms, are a few of the artists she was among the first to collect. She has loaned to many museum exhibitions over the years, and her collection has been shown at Scripts College, USC, and CSULA galleries. She has served (1991-1994) as a trustee of the Laguna Beach Museum of Art. While a resident of the San Fernando Valley for many years, she has lent art to exhibitions in the college Art Gallery, as well as being a frequent LAVC gallery visitor.