Charles Burton "Chuck" Thomsen FAIA FCMAA (born September 25, 1932) is an American architect, construction manager, corporate executive and educator.

[3][7] When he joined CRS full-time in 1965,[2]: 179  Thomsen’s first job was to investigate the use of computer technology in design and construction.

[2]: 180  He wrote subsequent programs for specification retrieval, elevator design and parametric estimating and led efforts to develop software to help master planning for college and university campuses.

[2]: 180 Throughout his career, Thomsen initiated the development of many computer-based management support and control systems for design and construction programs.

[7] As an executive with CRS and 3D/International, Thomsen worked on hundreds of projects in 20 countries in all three basic roles: designer, manager and at-risk constructor.

3D/I provided architecture, engineering and construction management services and opened offices throughout the U.S., Mid East, Asia and Europe.

[12] He created and led 3D/I’s R&D group that did extensive research into the innovative practices of serial builders, private and public.

Citation: “For innovation in Fast Track and sharing his methodology with others.” Fellow in the Construction Management Association of America (2002).

Citation: “Pioneer and Leader.” (Thomsen is the first person to be a Fellow in both the American Institute of Architects and the Construction Management Association of America.

), Construction Management Association of America, white paper November, December 2009 "The 21st Century Master Builder", The Military Engineer, April–May 1999 Contributed two chapters, Professional Practice 101, Wiley, 1997 "Do It.