Joseph Pentheroudakis started taking evening art classes at Pratt Fine Arts Center in Seattle in 1996. He was a founding member in 1999 of the Columbia City Gallery and of Seattle Print Arts, an organization for print artists and others interested in printmaking.

In 2005 he wrapped up a long career in linguistics and language software development and enrolled in the drawing program at Seattle’s Gage Academy of Art. In 2011 two of his drawings were included in Gage instructor Margaret Davidson’s book Contemporary Drawing: Key Concepts and Techniques.

His drawings are in many private collections.

Selected solo exhibitions
2018 Finger Painting, Shift Gallery, Seattle, Washington
2016 Pen Pencil Paper, Shift Gallery, Seattle, Washington
2012 Enclosures, Northwest Woodworkers Gallery, Seattle, Washington
2011 Crossings, Museo Gallery, Langley, Washington
2009 Unrequited, Museo Gallery, Langley, Washington
2008 New Drawings, Museo Gallery, Langley, Washington
2006 Stacks and Towers, Gage Academy of Art, Seattle, Washington

Selected group exhibitions
2015 Bellingham National Art Exhibition, Whatcom Museum, Bellingham, Washington
2015 Thought Patterns, Bainbridge Island Museum of Art, Bainbridge, Washington
2014 New Directions ’14, Barrett Art Center, Poughkeepsie, New York
2014 Tessellated Language, Seattle City Hall Galleries, Seattle, Washington
2011 Contemporary Drawing in the Northwest, Gage Academy of Art, Seattle, Washington
2009 High Line, Catherine Person Gallery, Seattle, Washington