People


Tiffany Broyles Yost

AIA, LEED AP BD+C, Fitwel Amb.

Associate Principal | 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 Action Network, 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, and that doing so is the greatest challenge of our time. She has twenty years’ experience in the design, development, and operations of international green building projects and masterplans focused on creating a circular economy, fostering health, and improving energy efficiency. Tiffany loves getting to know her clients and working with her team to create great spaces that help people thrive while 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


Director, Louisville Sustainability Council


Member, Fitwel Advisory Council


Panelist, “Circular Innovation Showcase,” Greenbuild


Member, Greater Louisville Incorporated Energy & Environment Committee


Speaker, Cincinnati 2030 District Occupant Health Guidelines Launch 

News & Insights

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