R. Sierra is currently represented by:

Art Advice Corporate Art Consultants, New York, NY

 Sierra’s paintings have been shown by:

  • Amelia Hyde Gallery, San Franciso, California
  • Melissa Morgan Fine Art, Palm Desert, California
  • Haen Gallery, Asheville, North Carolina
  • Art Concepts, San Francisco Bay Area
  • Costello-Childs Contemporary, Phoenix, Scottsdale
  • Crossroads Contemporary, Santa Fe, New Mexico
  • ArtSource Gallery, Raleigh, North Carolina
  • Art Concepts, Walnut Creek, California
  • D.C. Harris Gallery, Tucson, Arizona
  • Art Holdings, Minneapolis, Minnesota
  • Art Resource Gallery, St Paul, Minnesota
  • Corporate Art West, Seattle, Washington
  • The Annex Gallery, San Diego, California
  • The Interart Gallery, San Francisco, California
  • Fresh Paint, Los Angeles, California
  • Travis White and Associates, San Francisco, California
  • Corporate Art Associates, Philadelphia, Pennsylvania

Selected Collectors:

  • National University, La Jolla, California
  • Banco Internandino, Lima, PERU
  • Ernst & Young, Arco Towers, Los Angeles, California
  • The Enhancement Financial Group, San Francisco, California
  • United National Group, Philadelphia, Pennsylvania
  • Riku Raulsola, GERMANY/CHINA
  • Dennis Barrett, Bristol, ENGLAND
  • Susan Butterfield, COSTA RICA
  • Daniel Taylor, NEW ZEALAND
  • Meg Harmon, Kentfield, California
  • Sierra’s paintings are in many more collections throughout the U.S. and abroad