2019 – 40th Anniversary Fine Arts Show – Gallery W, Westlake, OH
Sparx In The City – Gallery 403, Cleveland, OH
2018 – Pop-Up at Superior Arts, Cleveland, OH
Fine Arts Show – Gallery W, Westlake, OH
2018 CAAW 20th Anniversary Show – Mansfield Arts Center, OH
2016 Members Show – AAWR Gallery, Cleveland, OH
2015 Fine Arts Show – Spaces Gallery, Cleveland, OH
6th Annual May Show – The Gallery At Lakeland, Kirtland, OH
Re-emergence – AAWR Gallery, Cleveland, OH
2014 New NEO – Gallery East, Beachwood, OH
Fine Arts Show – Spaces Gallery, Cleveland, OH
2013 CAAW Fall Show – Plain Dealer Gallery, Cleveland, OH
Fine Arts Show – Spaces Gallery, Cleveland, OH
2011 See Art – Create Art – Convivium 33 Gallery, Cleveland, OH
CAAW Fall Show – Plain Dealer Gallery, Cleveland, OH
Fine Arts Show – Spaces Gallery, Cleveland, OH
2010 CAAW Fall Show – Plain Dealer Gallery, Cleveland, OH
Fine Arts Show – Spaces Gallery, Cleveland, OH
2009 On The Other Side – Cleveland State University Art Gallery, Cleveland, OH
2008 CAAW Group Show – Plain Dealer Gallery, Cleveland, OH
Fine Arts Show – Spaces Gallery, Cleveland, OH
2007 Human Condition – Plain Dealer Gallery, Cleveland, OH
Fine Lines – Spaces Gallery, Cleveland, OH
2006 CAAW Show – Plain Dealer Gallery, Cleveland, OH
Spring Fine Arts – Show Kelly Randall Gallery, Cleveland, OH
2005 CAAW Show – Plain Dealer Gallery, Cleveland, OH
Recent Paintings – e. gordon Gallery, Cleveland, OH
Spring Fine Arts Show – Kelly Randall Gallery, Cleveland, OH
2004 Spring Fine Arts Show – Metropolitan Gallery, Cleveland, OH
2003 Spring Fine Arts Show – Kelly Randall Gallery, Cleveland, OH
2002 Spring Fine Arts Show – ArtMetro Gallery, Cleveland, OH
2001 Cleveland Biennial – CSU Gallery, Cleveland, OH
2000 Paintings – LCC Gallery, Kirkland, OH
1999 Members Show – Spaces Gallery, Cleveland, OH
1998 Alumni Show – Bevier Gallery, Rochester, NY
Members Show – Spaces Gallery, Cleveland, OH
Spring Fine Arts Show – Powerhouse Gallery, Cleveland, OH
1997 Showcase of Gallery Artists – Oxford Gallery, Rochester, NY
Spring Fine Arts Show – Powerhouse Gallery, Cleveland, OH
1996 Showcase of Gallery Artists – Oxford Gallery, Rochester, NY
1994 E.S.P.R.I.T. – Digital Imaging Show – Center for Creative Imaging, Camden, ME
Showcase of Gallery Artists – Oxford Gallery, Rochester, NY
MFA Show – Bevier Gallery, Rochester, NY
Within the Ampersand – Main Gallery, Rochester, NY
1993 The Autumn Salon – Main Gallery, Rochester, NY
Dohring, Siwkiewicz, Wideman – Paintings – Main Gallery, Rochester, NY
Cimarron National Works on Paper Exhibition – Oklahoma State University, Stillwater, OK
1992 Paintings – Atkinson, Siwkiewicz, Wideman – Main Gallery, Rochester, NY
Three Painters From Rochester – Main Gallery, Rochester, NY
Figure Show – RIT City Center, Rochester, NY
1999 Young Printmakers from Poland – Oxford University, Oxford, UK
1988 Painting Show – BWA Gallery, Olsztyn, Poland
1987 Z. Czermanski’s Tribute Exhibition – Museum of Academy of Fine Arts, Warsaw, Poland
1986 Painting Show – BWA Gallery, Kielce, Poland
1985 Drawing Show – Academy of Fine Arts in Warsaw, Poland
1977 National Art Competition – Palace of Science and Culture, Warsaw, Poland