People


Tiffany Broyles Yost

AIA, LEED AP BD+C, Fitwell Amb.

Associate | Director of Sustainability & Resilience

As GBBN’s Director of Sustainability and Resilience, Tiffany provides strategic leadership for sustainable design across the firm’s portfolio of projects, manages the research of the firm’s Sustainability Steering Committee, and spearheads educational initiatives related to environmental design and resiliency. Tiffany is driven by the belief that we can create a world of abundance by designing out waste. In fact, she believes that doing so is the greatest challenge of our time. She has eighteen years of experience in the design, development, and operations of international green building projects and masterplans focused on creating a circular economy, improved health and wellness, and improved energy efficiency. Tiffany loves getting to know her clients and working with her team to create great spaces that help people thrive while also contributing to the health of the environment. An avid cyclist and fiber arts enthusiast, outside the office, Tiffany might be found cycling around Louisville with her family or weaving on her 1947 Leclerc floor loom.

Professional Highlights


Panelist, “Circular Innovation Showcase,” Greenbuild 2018


Workshop Speaker, “A Call for Circular Economy in the Built Environment,” Built Positive 2018


Panelist, “The Circularity Lab: A Call for Circular Thinking in the Built Environment,” VERGE 2018


Committee Member, AIA New York Committee on the Environment (COTE) 2014-2019


Co-Author with Fiona Cousins and Gray Bender, “Think Circular- Reducing Embodied Carbon Through Materials Selection,” MRS Energy & Sustainability

"One of my favorite bike rides is crossing the Brooklyn Bridge where you see a great mix of architecture and people." - Tiffany Broyles Yost