|Preceded by||Bruce Dotson|
|Profession||Professor, University of Virginia School of Architecture|
Keller is a professor emeritus in landscape architecture at Iowa State University. He received a B.A. from the University of Virginia, an M.L.A. in landscape architecture from UVA and was a Loeb Fellow in Advanced Environmental Design at the Graduate School of Design at Harvard University. 
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- Web. Albemarle County Board of Supervisors Appoint New Planning Commission Members, Press Releases, Albemarle County, January 7, 2016, retrieved January 8, 2016.
- Web. J. TIMOTHY KELLER, Bio page, Iowa State University College of Design, retrieved July 9, 2018.