Representation
R. Sierra is currently represented by:
- Costello-Childs Contemporary, Phoenix, Scottsdale
- Haen Gallery, Asheville, North Carolina
- Art Concepts, San Francisco Bay Area
- Crossroads Contemporary, Santa Fe, New Mexico
R. Sierra has been Represented By:
- 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
