The Denver-based firm Associates III, which specializes in eco-responsible residential interiors, was selected in 2003 and 2005 by Interiors & Sources magazine as one of the "Great Places to Work" because the firm practices what it preaches. Author of the ASID publication Turning Green: A Guide to Becoming a Green Design Firm, Associates III won an ASID Colorado chapter Interior Design Award in both 2004 and 2005 for best sustainable residential projects.

Kari Foster, the owner and principal designer of Associates III for thirty-five years, has two decades of experience in the design of sustainable interiors.

Annette Stelmack, ASID Allied Member, is an interior designer who helped to start the Colorado chapter of the U.S. Green Building Council in 2002 and served as its 2005–2006 chapter president.

Debbie Hindman, who manages the marketing for Associates III has been a researcher and coeditor for four editions of the Sustainable Design Resource Guide for Colorado and the Western Mountain Region since 1990. She is an adjunct faculty member of interior design at the Rocky Mountain College of Art and Design.