• 2010 Simon Gallery - Inaugural exhibition at Hyatt, Morristown/New Jersey
• 2010 Montalvo Project Space Gallery, Saratoga, California
• 2010 Micaela Gallery, San Francisco / USA
• 2009 Fondation Louis Moret, Martigny / Switzerland
• 2009 Simon Gallery, Morristown/New Jersey
• 2009 Arte moderna Ammann, Locarno
• 2008 Katharina Krohn, Basel
• 2008 Clariden Leu, Zürich
• 2007 Etsuko Shibata, Tokyo / Japan
• 2007 Simon Gallery, Morristown / New Jersey
• 2006 Kunstraum Klingental, Basel
• 2006 Ueker+Ueker, Basel
• 2006 Arte moderna Ammann, Locarno / Schweiz
• 2005 Florian Trampler, Diessen Ammersee / Deutschland
• 2004 Arte moderna Ammann, Locarno
• 2003 Etsuko Shibata, Tokyo
• 2003 Carzaniga + Ueker, Basel
• 2001 Ammering, Ried im Innkreis / Österreich
• 2001 Carzaniga + Ueker, Basel
• 2000 Artraktion, Bern
• 1999 Carzaniga + Ueker, Basel
• 1996 Garrison Art Centre, Garrison / New York

• 2010 Katharina Krohn, Work on panel, Basel / Switzerland
• 2009 Fabrikraum 5, Sammlung Baumann, Melchnau / Switzerland
• 2009 Micaela Gallery, Winter Salon group show, San Francisco
• 2009 George Lawson Gallery, Gallery Group show at Shasta College, Redding, California
• 2009 Katharina Krohn, "Vorsicht Farbe", Basel
• 2008 Arte moderna Ammann, "Women only", Locarno / Switzerland
• 2007 Etsuko Shibata, Tokyo / Japan
• 2007 The LAB Gallery, New York
• 2007 Arte moderna Ammann, "Luce", Locarno
• 2006 Kunstraum Baden, Going Public '06, Baden/ Switzerland
• 2005 Arte moderna Ammann, Locarno
• 2004 Pesko, Lenzerheide / Schweiz
• 2003 Klingental, Basel, "Regionale '03"
• 2002 Villa Aichele, Lörrach / Deutschland, "Regionale '02"
• 2002 Nairs, Scuol / Schweiz, "Curraint d'ajer"
• 2002 Ammann, Locarno
• 2001 "Regionale '01", Klingental Basel
• 2001 Kunststipendium Laufenburg / Schweiz
• 2001 Musée des Beaux-Arts, Ville du Locle / Schweiz. Druckgrafik
• 2000 Pentimenti Gallery, Philadelphia / USA, "Insight"
• 1999 Kunsthalle Basel, Jahresausstellung
• 1999 Klingental, Basel, "Yellow Series"
• 1998 Rotunda Art Gallery, Brooklyn / New York, "Reading between the lines",
• 1997 d.u.m.b.o. art "Open Artist's Studios", Brooklyn / New York

• ART BASEL '30 (1999) / '31 (2000), / '33 (2002), / '34 (2003), / '35 (2004), Carzaniga + Ueker
• Liste '02 Basel
• Frankfurt - Artspace '06, Florian Trampler
• Kunst Zürich '99 / '00 / '02/ '03/ '04, Carzaniga + Ueker;'03/ '04/ '07, Arte moderna Ammann '05, Ueker+Ueker
• Art Bodensee 2001, Dornbirn, Ammering
• Kunst Wien 2001, 2002, Ammering
• Kunst Linz 2001, Ammering

• 2002 "Networking", 5teilige Lithomappe, Edition Franz Mäder, Basel

• 2006 Katalog "Stainings"; Text Hajo Düchting und Lilly Wei
• 2003 Katalog "Color"; Text Claudia Pantellini und Soledad Arias
• 2003 Curraint d'ajer, Nairs, Scuol
• 2001 Katalog Carzaniga + Ueker, Basel; Text Nicole Schmölzer
• 2001 4. Grafiktriennale, Musée des Beaux-Arts, Ville du Locle
• 1999 Katalog Carzaniga + Ueker, Basel; Text Robert Schiess

USA:  Helene Wurlitzer Foundation, New Mexico; McKee Nelson LLP New York, N.Y.C.; Art OMI Foundation, Ghent / NY; Francis J. Greenburger Collection, N.Y.C.; Pricewaterhouse Coopers, LLP Florham Park, New Jersey; Pricewaterhouse Coopers, Pittsburgh / Pennsylvania.
CH:  UBS, Ermatingen; Hoffmann-La Roche AG, Basel; Kunstkredit Baselland; Kultur-und Heimatkunde Pratteln, Baselland; Basellandschaftliche Kantonalbank Liestal; Basler Zeitung, Basel; Clariden Leu AG, Zürich; Bank Ehinger + Cie AG, Basel; Burkhardt + Partner AG, Basel; Gestion Bâle, Basel; Kantonsspital Liestal; Claraspital Basel; Reha Klinik, Rheinfelden; Vista Klinik, Binningen; BDO Visura, Solothurn; Sicovend AG; Vista Klinik; BDO Visura u.a.