Lemieux studied at the Hartford Art School, University of Hartford where she received her BFA in 1980. Her numerous solo exhibitions include the Matrix Gallery, Wadsworth Atheneum, Hartford; the New Museum of Contemporary Art, New York; the Stichting De Appel, Amsterdam; Castello Di Rivoli, Museo d'Arts Contemporanea, Turin, Italy; Kaiser Wilhelm Museum, Haus Esters, Krefeld, Germany; Museo de Arte Carrillo Gill, Mexico City; and the Davis Museum and Cultural Center at Wellesley College. Her works are found in the permanent collections of the Metropolitan Museum of Art, Museum of Modern Art, Whitney Museum, and the Solomon R. Guggenheim Museum in New York; Berlin Embassy Collection, Berlin; Castello di Rivoli, Turin; Centro de Arte Contemporaneo de Malaga, Spain; Collezione Maramotti, Reggio Emilia, Italy; Davis Museum and Cultural Center, Wellesley; Harvard Art Museum/Fogg, Cambridge; Worcester Art Museum, Worcester; Foto Museum, Winterthur, Switzerland; Israel Museum; Krannert Art Museum; Milwaukee Art Museum; Museum of Contemporary Art, Chicago; Art Institute of Chicago; Museum of Fine Arts, Boston; Princeton University Art Museum; Rose Art Museum, Brandeis University; San Francisco Museum of Modern Art; Victoria & Albert Museum, London; Wadsworth Atheneum; Walker Art Center; Washington University Art Gallery; and Yale University Art Gallery. Lemieux has received awards and grants from the National Endowment for the Arts, the Pollock/Krasner Foundation, the Howard Foundation Fellowship, Brown University, and the Kaiser Wilhelm Museum in Germany. In 2009 Lemieux received an Honorary Doctorate in Fine Arts from Montserrat College of Art. 

Her traveling mid-career retrospective opened in October 2010 at the Krannert Art Museum and traveled to the Worcester Art Museum and the Kalamazoo Institute of Art. Lemieux is represented by Mitchell-Innes & Nash in NYC, and the Baldwin Gallery in Aspen.

Image: Last Wall Down, 2010, Blackberry photo. Photo of Lemieux by Matt Saunders.