2018 – WURZBURG/Germany,Toccare, Eisengen, Erbachshof art project
- NEW YORK/VENEZIA, MEN Gallery and Caldiroli Gallery, curated by M. Merson
2016 – DAEGU/Korea, Silence, Meditation, and Resonance, Gallery Shilla, curated by Soojung Hyun
- NEW YORK/USA, Il Gigante buono, Casa Italiana/NYU
2014 – CARMIGNANO/Italy, Dialoganti, SAAM-Shema Polis, curated by Raoul Dominguez
2013 – NEW YORK/USA, The Sylvia Wald & Po Kim Art Gallery, No-profit Foundation
2009 – NEW YORK/USA, OK Harris works of art, “Measuring the space”, curated by Robert C. Morgan.
2008 – BUDAPEST/Hunghery, Kiscelli Muzeum , curated by P. Fitz and P. Ribal.
- ROMA/Italy, Tor Vergata University, LineeDEA.
2007 – FIRENZE/Italy, Galleria Il Ponte e Museo Archeologico Nazionale, “Lineare“, curated by B. Corà and R.C. Morgan.
- TARIJA/Bolivia, Museo Fray Francisco Miguel Marì,“a través del vidrio “, curated by L. Calzavarini.
2005 – NEW YORK /USA, Kentler International Drawing Center, “Drawing Space”, curated by M. O’Hara
- BERNDORF-WIEN/Austria, Museum Arterra, “Un Km di linee di più”, curated by E. Stastny.
- WIEN/Austria, Theseustempel, Kunsthistorishe Museum, “La grande acqua”, curated by E. Stastny.
2002 -HEIDELBERG/Germany, Kunstverein, “Cosmogonia”, BERGAMO/Italy, GAMeC (Jun.2003), curated by H. Gerke, B. Corà and C. Rodeschini