2012 | Tacoma Art Museum, MARIONI FAMILY, Tacoma
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2011 | William Traver Gallery, All Over The Place, Seattle
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2007–2008 | The Bellevue Art Museum, THE PREMONITION, one man show, Bellevue
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2006 | William Traver Gallery, 12 PAINTINGS/12 SCULPTURES, Seattle
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2005 | Imago Gallery, SPACE/TIME, Palm Springs
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2003–2005 | American Studio Glass: A Survey of the Movement
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| Fairfield Art Museum + 7 Museums National Tour
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2003 | A New Millennium, A New Light: A Survey of Architectural Glass Art, Louisville Visual Art Ass
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2002 | City Space, Northwest Masters, Seattle
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| Traver Gallery, Twenti-fifth Anniversary Exhibition, Seattle
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1997–2000 | Trashformations: Recycled Materials, 12 Museums National Tour
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1998 | William Traver Gallery, Enigmas, Seattle
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| Bush Barn Art Center, You and Me, Salem
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| Fresno Art Museum, Marioni/Marioni, Fresno
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| Holter Museum of Art, Telling Compelling Tales, Helena
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1997–99 | Calido!: Contemporary Warm Glass, 10 Museums National Tour
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1995 | William Traver Gallery, Pilchuck Pioneers, Seattle
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| Jewish Museum, Light Interpretations: Menorah Invitational, San Francisco
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| Glasmuseum Frauenau, V. Internationales, Frauenau
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1994–1995 | American Craft Museum, Form and Light, New York
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1992–1995 | Clearly Art, 12 Museums National Tour
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1994 | Bellevue Art Museum, The Beauty of Painted Glass, Bellevue
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1993 | Oakland Art Museum, 100 Years- California Crafts, Oakland
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| 3rd International Symposium, Stolzle-Oberglas Barnbach
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| Corning Museum of Glass, Intern. Conferences on Environmental Glass, Corning
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1989–1993 | Craft Today USA, 15 Museums European Tour
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1990–1991 | Corning Museum of Glass, 200 Objects, Russia Tour
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1986–1988 | American Craft Museum, Craft Today: Poetry of the Physical, New York
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1978–1982 | Corning Museum of Glass, New Glass: A Worldwide Survey, World Tour
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1979 | Hessisches Landesmuseum, Das Bild In Glas, Darmstadt
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1978–1980 | Leigh Yawkey Woodson Art Museum, Americans in Glass, National Tour
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1978 | Museum of Contemporary Crafts, New York
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1975–1978, 1980 | Renwick Gallery, Smithsonian Institute, Washington
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2014–2018 | Sound Transit, lead artist, main station, Bellevue
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2013 | IN FLIGHT, Love Field Airport, Dallas
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2009 | Cascades, Seattle City Light, Seattle
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200? | Consilience, University of Houston
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2004 | Reflection Fountain, US Courthouse, USGA, Seattle
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2003 | Our Place In Space, King Co. Intern. Airport, Cultural Development Authority of King Co., Seattle
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2001 | Liquid Light, Safeco Redmond Campus, Seattle
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2000 | Hetch Hetchy, 150 California Street Financial Building, San Francisco
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1999 | Sonora, George and Jane Russell, Tucson
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| River of Glass, WA State Liquor Board, WA State “% for Art” program, Seattle
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| Nest, King County Court House, King County Arts Commission, Seattle
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| Water=Energy, Seattle City Light South Center, Seattle “% for Art”, Seattle
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| Energy=Light, Seattle City Light Apprentice Training, Seattle “% for Art”, Seattle
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1997 | Reflection Wall, Swedish Medical Center Interfaith Chapel, Seattle
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| Pillars, Burbank Police/ Fire Facility, Burbank “% for Art” program, Burbank
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1996 | Shelter, Veterinary Teaching Hospital, WA State “% for Art” program, Pullman
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1993 | Cat Man Do, Lloyd Herman, Bellingham
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| The Further I Look, the More I See, Eye Clinic, University Medical Center, Seattle
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| Light Columns, Pier 69 Headquarters, Port of Authority, Seattle
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| Reflections, Chapel, Salvation Army 's NW Headquarters, Seattle
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| Check It Out!, Bellevue Regional Library, Bellevue
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1991 | Hohuq and Kotsuis”, Doug and Dale Anderson, New York
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| Elements, Easthill Fire Station Headquarters, Kent “% for Art” program, Kent
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1990 | Jungle Garden, Stoel Rives Boley Jones and Grey, Seattle, WA 1990
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1989 | Seven Figures and Portal, Greenlake Community Center “% for Art” program, Seattle
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1984 | Khadi, Police Precinct North, Seattle “% for Art” program, Seattle
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1983 | The Human Spirit, Timberline Lodge (Federal), Mt. Hood
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1977 | Stanford, Stanford University, Palo Alto
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