Born in Seattle in 1956, Dingus attended Tyler School of Art at Temple University in Philadelphia (BFA, 1980) and San Jose State University (MFA, 1985). She has received a Visual Art Fellowship from Artist Trust (1994), a John S. Guggenheim Fellowship (1999), and the Morrie and Joan Alhadeff PONCHO Artist of the Year Award (2005).
Dingus has had solo shows at Henie Onstad Kunstsenter and The Stenersen Museum, both in Norway (2002, 2006), as well as the Museum of Glass in Tacoma, WA (2005 – 2006). Her work has been included in Nature/Culture organized by The Society for Contemporary Craft in Pittsburgh (2006 – 2008), Outwin Boochever Portrait Competition at the National Portrait Gallery in Washington, DC (2006 – 2007) and 21st Century American Women Artists at the Residence of the United States Ambassador to NATO in Brussels, Belgium (2006 – 2010). Her work is in many regional museums and corporate collections. Dingus currently lives and works in the state of Washington and is represented by Traver Gallery in Seattle.