2002 | Pittsburgh Glass Center, hostující umělec/Visiting Artist, Pittsburgh
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| Jam Factory, hostující umělec, vyučující/Visiting Artist, Teacher, Adelaide
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2001 | North Lands Creative Glass, hostující umělec/Visiting Artist, Caithness
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Od/from 1992 | Foukač skla/Glassblower, práce s různými umělci v Seattlu/working with various Seattle artists, včetně/including Dante Marioni, Sonja Blomdahl, Benjamin Moore, Dale Chihuly, Lino Tagliapietra a/and Dick Marquis
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2000 | University of Miami, hostující umělec, přednášející/Visiting Artist, Lecturer, Miami
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1999 | Kent State, hostující umělec, přednášející/Visiting Artist, Lecturer, Kent
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| California College of Arts and Crafts, Oakland
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1994, 1995, 1997 | Pilchuck Glass School, Gaffer, Stanwood
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1996 | Suwa Glass Arts Center, hostující umělec, přednášející/Visiting Artist, Lecturer, Suwa
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| Pilchuck Glass School, Stanwood
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1995 | Haystack Mountain School of Crafts, pomocný instruktor/Assistant Instructor, "Italian Glassblowing of the 401s & 501s," pro/for Dan Dailey a/and Lino Tagliapietra, Deer Isle
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| Pilchuck Glass School, pomocný instruktor/Assistant Instructor, "Advanced Glassblowing," pro/for Lino Tagliapietra, Stanwood
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1992–1994 | Pratt Fine Arts Center, výuka foukání skla/Glassblowing Instructor, Seattle
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1994 | Haystack Mountain School of Crafts, pomocný instruktor/Assistant Instructor, "Advanced Glassblowing," pro/for Dante Marioni a/and Lino Tagliapietra, Deer Isle
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| Providence; Tyler School of Art, Philadelphia; Alfred University, Alfred; Massachusetts College of Art, Boston; Rochester Institute of Technology, Rochester; Toyama Art Institute, Toyama; Sanda Glass Festival, Sanda, hostující umělec, přednášející/Visiting Artist, Lecturer
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1993 | Penland School, hostující umělec/Visiting Artist, Penland
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| Nijima Glass Center, pomocný instruktor/Assistant Instructor, "Glassblowing", pro/for Ruth King a/and Sonja Blomdahl, Nijima
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| Pilchuck Glass School, pomocný instruktor/Assistant Instructor, "Advanced Glassblowing," pro/for Lino Tagliapietra a/and Dante Marioni, Stanwood
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| Pilchuck Glass School, pomocný instruktor/Assistant Instructor, "The Vessel" pro/for Tom Farbanish, Stanwood
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1990–1992 | The Boathouse, Glassblower, Technician for Dale Chihuly, Seattle
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| Pilchuck Glass School, pomocný instruktor/Assistant Instructor, "Advanced Glassblowing," pro/for Dante Marioni, Stanwood
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1992 | Haystack Mountain School of Crafts, pomocný instruktor/Assistant Instructor, "Glassblowing," pro/for Sonja Blomdahl, Deer Isle
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| Pilchuck Glass School, pomocný instruktor/Assistant Instructor, "Mold-blowing & Painting on Glass," pro/for Charlie Parriot a/and Michael Machat, Stanwood
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1988–1989 | Southport College of Design, hostující umělec, vyučující/Visiting Artist, Lecturer, Southport
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1987–1989 | The Glasshouse, učení u huťmistra/Apprentice to Master Glassblower Ronald Wilkinson, Covent Garden, London
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1986–1987 | The Glasshouse, asistent při foukání skla pěti umělců/Assistant Glassblower to five artists, Covent Garden, London
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2002 | Thomas R. Riley Gallery, SOFA Show, Chicago
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| Thomas R. Riley Gallery, Constellate: Group Show, Columbus
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| Thomas R. Riley Gallery, Grace: Janusz Pozniak, Cleveland
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| Baisden Gallery, Pieniak & Pozniak, Tampa
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2001 | Holsten Gallery, Collectors' Weekend Show, Stockbridge
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| Sherry Leedy Contemporary Art, Fresh, Kansas City
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| William Traver Gallery, Terra Nuova Vetra, Seattle
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2000–2001 | Baisden Gallery, A New Wave in Glass (Curated by Dena Rigby), Tampa
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2000 | Bumbershoot Festival 2000, Creativity and Collaboration: Pilchuck Glass School's 30 Years, Seattle
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| American Craft Museum, Objects for Use: Made with Pride, New York
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| Fresno Art Museum, Glass from the Emerald City, Fresno
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1999 | Morgan Contemporary Glass Gallery, New Work: Fero/Leighton/Pozniak, Pittsburgh
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| Ellen Noël Art Museum of the Permian Basin, Vessels: A National Glass Invitational, Odessa
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| Sea-Tac International Airport, Influences in Contemporary Glass, Seattle
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1998 | Art Center of Battle Creek, Breathless, Battle Creek
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| Craft Alliance Center for the Visual Arts, New Glass from the Pacific Northwest, St. Louis
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| William Traver Gallery, First Impressions, Seattle
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| Sea-Tac International Airport, The Pilchuck Exhibition, Seattle
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1997 | William Traver Gallery, The 20th Annual International Pilchuck Glass Exhibition, Seattle
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| Foster/White Gallery, Annual Pilchuck Show, Seattle
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| Margo Jacobsen Gallery, Sphereoles, Portland
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| Gumps, The New Glass Act, San Francisco
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1996 | William Traver Gallery, The 19th Annual International Pilchuck Glass Exhibition, Seattle
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| Vetri International Glass, Janusz Pozniak at Vetri, Seattle
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| William Traver Gallery, A New Generation, Seattle
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| Sea-Tac Airport, The Pilchuck Exhibition, Seattle
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| Portia Gallery, Glass Invitational, Chicago
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1995 | Leedy Voulkos Gallery, American Glass Now Invitational, Kansas City
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1994 | Pismo Gallery, Visions of the Northwest, Denver
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1989 | The Glasshouse, Janusz Pozniak, Covent Garden, London
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1986 | Smith Gallery, Degree Show, Covent Garden, London
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| West Surrey College of Art & Design, Degree Show, Farnham
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