solo / group exhibitions (selected)
2022 Collage II; gropu exhibition, zs art galerie, Vienna / A
2022 Spektakulär unscheinbar; group exhibition, Kunsthaus Palais Thurn und Taxis / A
2022 BILD:WIRKLICHKEIT / Eine Annäherung; group exhibition, kunsthaus muerz / A
2021 Retreats; solo-exhibition (with Esther Hagenmaier), zs art galerie, Vienna
2021 Correspondences; group exhibition, Stadtmuseum Hattingen, Hattingen / D (C)
2021 From Line to Space; group-exhibition, zs art galerie, Vienna
2020 Luxembourg Art Week | The Fair – Virtual Tour (zs art galerie), Luxembourg / LUX
2020 Kunst im Setzkasten; international group-exhibition; Forum Kunst Rottweil; Rottweil / D
2020 zselection; international group-exhibition, zs art galerie, Vienna
2020 Small Works; international group-exhibition, zs art galerie, Vienna
2019 Luxembourg Art Week | The Fair (zs art galerie), Luxembourg / LUX
2019 Seriellll; group-exhibition, zs art galerie, Vienna
2019 HEAD-VARIATIONS; group-exhibition, zs art galerie, Vienna
2019 paper positions berlin, (zs art galerie), Berlin / D
2018 Austria Contemporary; groupd-exhibition, European Economic and
Social Committee, Brussels / B
2018 papaer postions basel, (zs art galerie), Basel / CH
2018 art KARLSRUHE, (zs art galerie), Karlsruhe / D
2018 Collection Urban; group-exhibition, Waidhofen/Ybbs, Lower Austria / A
2018 Collage; group-exhibition, zs art galerie, Vienna
2017 paper positions munich, (zs art galerie), munich / D
2017 Positions in painting; group-exhibition, zs art galerie, Vienna
2017 paper positions berlin, (zs art galerie), Berlin / D
2017 Poesie der Wenigen; group exhibition, artmark galerie, Vienna
2017 Art Vienna, (zs art galerie) Museum Leopold, Vienna
2017 Collection Urban; group-exhibition, Waidhofen/Ybbs, Lower Austria
2017 Art Karlsruhe, (zs art galerie), Karlsruhe / D
2016 works on paper; group exhibition, zs art galerie, Vienna
2016 Grundformen; group-exhibition, Kunstverein Villa Streccius, Landau / D
2016 Art.Fair Köln, (zs art galerie), Cologne / D
2016 Drawing Vienna IV, group exhibition, Galerie Ulrike Hrobsky, Vienna
2016 30x30x30, group exhibition, zs art galerie, Vienna
2016 Alex Klein; Solo-exhibibion, zs art galerie, Vienna
2016 Collection Urban; group-exhibition, Waidhofen/Ybbs, Lower Austria
2016 Transitions, group exhibition, Galerie Lattemann, Darmstadt / D
2015 Atrium Art; 20 years exhibitions and collecting ÖBV, group-exhibition, OEBV, Vienna
2015 ViennaPerspectives; group-exhibition, zs art galerie, Vienna
2014 vom langsamen fliessen der bilder; group exhibition, artmark gallery, Vienna
2014 Art&Antique, (zs art galerie), Hofburg Vienna, Vienna
2014 Linear poetry; group-exhibitions, zs art galerie, Vienna
2014 Abendland / Gemeindebau / Körper; group-exhibition, art-p, Lower Austria
2014 5 years zs art gallery; group-exhibition, zs art galerie, Vienna
2013 Raum außerhalb der Zeit; Solo-Exhibition (with Walter Angerer-Niketa), zs art galerie, Vienna
2013 12 Positionen; group-exhibition, Collection Urban, Waidhofen/Ybbs
2013 Drawing Vienna 4th; group-exhibition, zs art galerie, Vienna
2013 LICHTWECHSEL; solo-exhibition (with Helmuth Swoboda), Museum St. Peter an der Sperr, Wr. Neustadt, Lower Austria
2013 Emil Toman – Maler, Mentor, Wegbereiter; group-exhibition, zs art galerie, Vienna
2012 Kunstverein Steyr, group-exhibition, Steyr, Upper Austria / A
2012 Kunstverein Mistelbach, Solo-Exhibition (with Manu Froudarkis), Mistelbach, Lower Austria
2011 Luger/Klein; Solo-Exhibition (with Christoph Luger), Verein für Kunst und Kultur, Eichgraben / A
2010 ZU ZWEIT; Solo-Exhibition (with Johann Feilacher) Verein für Kunst und Kultur, Eichgraben / A
2009 group-exhibition Galerie Artmark, artmark Vienna
2009 Vis-à-vis. Natur: Kunst; group-exhibition, Schloß Ulmerfeld, Lower Austria / A
2006 avoriten in Salzburg. Installation - Conzept - Painting - Sculptur – Drawing; group-exhibition; BV-Berchtoldvilla, Berufsvereinigung Bildender Künstler Salzburg, Salzburg / A
2005 Postalisch; group-exhibition, Project with different artists from A/CH/D/F, Wasserturm am Wienerberg / A
2004–05 Postalisch; Cubus Kunsthalle Duisburg, group-exhibition, Saarländisches Künstlerhaus, Saarbrücken / D
2000 Lebens-Läufe, group-exhibition, Kulturverband Favoriten, Vienna / A
1998 Austrian Spotlight; group-exhibition, Museum Centre Albert Borschett, Brussels / B
1995 Vue x 6; group-exhibition, Galleria Bastione Fiorito / I
1994–97 Kunstverein DE Markten, group-exhibition, Brüssel / B
1994 Transfer Colombia/Austria; group-exhibition, Eisenhof, Museo Jose Maria Velasco, Biblioteca de la Universidad Autónoma, Museo de Arte Religioso. Bibliotheca Luis Angel Arango, Museo de Arte Moderno de la Universidad de Antioquia, Collage, Druckgrafik
"Transfer" Museo de Arte Moderno de la Universidad de Antiquia, Embassy of Austria Washington D.C./USA
1993 Austria Korean Institute of Industrial Design and Packaging, group-exhibition, Seoul/Korea / ROK
1990 AUS DEM ZUSAMMENHANG; group-exhibition, Museums-Project Brünn/Bratislava/ Krakau/Budapest
1989 AUS DEM ZUSAMMENHANG; group-exhibition, Museums-Project Belgrad/Skopje/ Laibach/Erfurth
1988 Galerie Eugen Lendl, group-exhibition, Graz / A
1988 Balance.akte 88; group-exhibition, Neue Kunst aus Niederösterreich, Donaufestival Niederösterreich, Frauenbad Ausstellungszentrum / A
1987 Alex Klein: Malerei; Solo-Exhibtion, Blau-Gelbe Galerie, NÖ Landesmuseum / A
1986 Galerie Fuer München; Solo-Exhbition (with Helmut Swoboda), Munich / D
1985–92 Galerie Manfred Lang, different group-exhibitions, Vienna
Art Basel, CH (zwischen 1985 und 1992)
FIAG Paris, F
Bologna Art Fair, I
Art & Antique, Wien
Art Karlsruhe, D
Art.Fair Köln, D
Art Vienna, Wien
paper positions berlin, D
paper positions munich, D