November 15 - 17: Extended private and public openings for the 20th Anniversary show at TEW Gallery, Atlanta
September 1: Opening and reception at the Gallery of Rockport featuring the first-ever exhibition of Williamson's large scale granite works, Rockport, Texas
May - July: In the Dallas studio
April: Sculptors Dominion Outdoor Invitational Williamson accepted into the Sculptors Dominion Invitational in San Antonio, Texas, to display two new large multi-granite organic contemporary works Gilbert E. Barrera of Sculptors Dominion, organizer
January - March: In the Dallas studio
2006
December: In the Dallas studio
November 23 - 29: Beijing, China At the studio of Huang Jian, the renowned Chinese sculptor, in preparation for upcoming Sculpture Magazine article.
November 27: Graduate School, China Art Academy, Beijing, China Paid lecture "The Art of Marketing Art"
November 8: Group Show with TEW Galleries, Atlanta "Busts & Torsos": A Group exhibition featuring a collection of marble and granite female busts and torsos TEW Galleries, Atlanta, GA
November 1: International Sculpture Center Gala, New York City Lifetime Achievement Awards Gala honoring Manuel Neri
October: Solo Show of New Works (Dallas) "Simpatico": A solo exhibition featuring new works created from plastic stir straws, roofing tar, and resin at Dahlia Woods Gallery, Dallas, TX
July - September: New Works Slated for Creation in Dallas Studio Williamson in the Fitzhugh studio in Dallas, Texas to begin work on monumental granite works.
June 22 - 24: "Crossroads Cincinnati", the 2006 ISC Conference Williamson gathers for an international roster of artists and art professionals, in Cincinnati for four days of dialogue, networking and insight, focusing on contemporary issues in sculpture.
17 June: Solo Exhibition of New Works (Budapest) "Melded Passages": Williamson's first European solo exhibition featuring new works created from plastic stir straws, roofing tar, and resin in Budapest at Liget Gallery, Budapest's oldest contemporary art gallery.
15 March - 18 June: New Works Slated for Creation in Budapest Studio Williamson in the Csengery utca studio in Budapest, Hungary to create a series of new works from plastic stir straws, epoxy, and roofing tar.
April: Sculptors Dominion Outdoor Invitational Williamson accepted into the Sculptors Dominion Invitational in San Antonio, Texas, to display a new large multi-granite organic contemporary work. Gilbert E. Barrera of Sculptors Dominion, organizer
20 - 27 February: Ding Li Stone Company Exhibition Sponsorship Williamson visits his Chinese studio to oversee the creation of several new monumental granite sculptures, and to establish official sponsorship for entry into both the 2006 Shanghai Landscape Carving Art Exhibition (April - May 2006), and entry into the 2008 Beijing Olympic Landscape Sculpture Invitational (selection process ending late 2006)
23 February 2006 Dahlia Woods Gallery will present a new show, to include new works by Dahlia Woods, Mark P. Williamson and painter, Jorge Estrada Dahlia Woods Gallery, organizer
2005
3 November continuing through 24 December Grand Opening and Reception for Dahlia Woods Gallery, featuring large exhibition of Williamson's sculpture. Dahlia Woods Gallery, organizer
28 November ongoing Marketing collaboration with the University Coop of Austin, Texas of the Alexander Frederick Claire bronze statues begins