Action for the Delaware, Musuem of Contempoary Art, Denver, CO.
Action for the Paiva, Robishon Gallery, Denver, CO.
Draw a Line and Follow It, New Mexico State University Gallery, Las Cruces, NM.
Action for the Delaware, Pierogi. Brooklyn, NY.
Architecture of the Invisible: Andrea Galvani William Lamson. Tatiana Kourochinkina, Barcelona, Spain.
Divining Meteorology, Indianapolis Museum of Art, Indianapolis, IN.
A Line Describing The Sun, Honor Fraser, Los Angeles, CA.
A Line Describing The Sun, Texas State University, San Marcos, TX
A Line Describing The Sun, Pierogi. Brooklyn, NY.
On Earth, Kunsthalle Erfurt, Germany.
In the Making, Roger William College, Bristol, RI.
Time is Like The East River, Artspace. New Haven, CT.
Automatic, Marty Walker Gallery. Dallas, TX.
Work and Trade. Pierogi. Brooklyn, NY.
Selected Videos, Nieuwe Vide, Harleem, The Netherlands.
Actions, Franklin Art Works, Minneapolis, MN.
Hunt and Gather, Vox Populi, Philadelphia, PA.
Actions, Marty Walker Gallery. Dallas, TX.
Experiment. Robischon Gallery. Denver, CO
Sublunar, Pierogi. Leipzig, Germany.
Selected Flight Videos, Crawl Space. Seattle.
Selected Flight Videos, Stills Gallery. Sydney, Australia.
Light and Landscape, Storm King Art Center, Mountainville, NY.
America in View: Landscape Photography 1865 Until Now. RISD Museum of Art, Providence, RI.
William Lamson, Jules Marquis and Jani Ruscica. Galerie West, The Hague. Netherlands.
Broken Desert-Land and Sea: Greg Lindquist, Chris McGinnis, Mary Mattingly, William Lamson, University of Arizona Museum of Art, Tuscon, AZ.
William Lamson, Jules Marquis, Jani Ruscica, West Galerie, The Hague, Netherlands.
Four by Four: Collector Series, Victoria H. Myhren Gallery, University of Denver, Denver, CO.
The Eye of the Collector, Villa delle Rose, Bolonga, Italy.
Glass Ceiling, Kate Werble Gallery, New York, NY.
The Arthouse Squat - Moscow Biennale, Moscow, Russia.
No One Is An Island, LMCC Gallery at Governor’s Island. NY, NY.
Hohenrausch.2, OK Offenes Kulturhaus, Linz Austria.
Artists Tell Stories (mostly about themselves), Scottsdale Museum of Contemporary Art, Scottsdale, AZ
Subjective / Objective, Pierogi, Brooklyn NY
Covering Ground, Robischon Gallery. Denver, CO.
No Show, Spencer Brownstone, New York, NY.
Artist as Performer, Houston Center For Photography. Houston TX.
Crossing Lines, Delaware Center for the Contemporary Arts, Wilmington, DE.
Destroy Everything You Touch. Espai d’Art. Grandia, Spain.
I Like Winners: Sports and Selfhood. Sheppard Fine Art Gallery, University of Nevada. Reno.
Space+Earth+Wo/men. ACC Weimar, Weimar, Germany.
Things Are Strange. New Century Artists. New York, NY.
Tension/Release. Caren Golden Fine Art. New York, NY.
Apocalyptic Summer. Pierogi, Brooklyn NY
Action.Stop.Action. Vox Populi. Philadelphia PA.
Summer Mix Tape Volume 1. Exit Art. New York, NY.
Specter. CRG, New York, NY.
New American Talent: 23. Arthouse. Austin, Texas.
Primary. Kendal College of Art and Design. Grand Rapids, MI.
Out Of Place, Robischon Gallery. Denver, CO.
Art on the Edge, Museum of Fine Arts. Santa Fe, NM.
Exposure, Rotunda Gallery. Brooklyn, NY.
Shadow Show, Real Art Ways. Harford, CT.
Float, Socrates Sculpture Park. Long Island City, NY.
The Whole Sea Is Storming, Pierogi. Leipzig, Germany.
Orpheus Selection: In Search of Darkness, P.S.1. Long Island City, NY.
Easy Rider, Yancey Richardson Gallery. New York, NY.
Natural Selection, Pierogi. Brooklyn, NY.
Pierogi Flatfiling, Artnews Projects. Berlin, Germany.
Flight of Fancy, Museum of Fine Arts. Santa Fe, NM.
Young Portfolio Acquisition 2006, Kiyosato Museum of Photographic Arts. Kiyosato, Japan.
Factitious, Pierogi. Leipzig, Germany.
Looking Back at Ground Zero, Brooklyn Museum. Brooklyn, NY.
Thesis Show, Bard MFA. Red Hook, NY..
Factitious, Pierogi. Brooklyn, NY.
Think Twice, Young American Photography, TH Inside. Milan. Italy.
All I want for Christmas, Peter Hay Halpert Fine Art. New York, NY.