Nadav Malin is a passionate facilitator, leading workshops and retreats to help organizations of all types find alignment, inspiration, and leadership in pursuit of their goals. He convenes peer networks of architecture firm Sustainable Design Leaders, Sustainable Construction Leaders, and others. He facilitates gatherings and consults to USGBC, AIA, large corporations, government agencies, and architecture firms. And he helps project teams with charrette facilitation and design process support to achieve optimal outcomes. Nadav is also the building industry’s acknowledged go-to resource when you need thoughtful perspective on the materials and design solutions that define sustainable building practice. As president of BuildingGreen, he oversees the company’s industry-leading information and community-building websites BuildingGreen.com and LEEDuser. When the LEED rating system was just starting out, Nadav was tapped to lead its new Materials and Resources Technical Advisory Group, which he chaired throughout LEED’s formative years.

Bert Gregory FAIA, LEED Fellow and Partner Emeritus at Mithun is a strategic design consultant with a project focus in the urban realm, including resilience, transit-oriented development, mixed use, higher education, civic, workplace and urban design. Bert’s project design leadership has resulted in four American Institute of Architects (AIA) COTE Top 10 Green Project awards, two American Society of Landscape Architects National Honor Awards, an AIA National Honor Award for Regional & Urban Design, and the Urban Land Institute (ULI) Award of Excellence. In 2017 he received the AIA Seattle Gold Medal, the chapter’s highest honor, recognizing distinguished lifetime achievement in architecture. In 2019 Bert was awarded the International Living Future Institute’s Living Future Hero award. Under his 15-year leadership as Mithun’s CEO, Bert led the firm to international recognition for healthy, equitable, performance-based design, positive for people and place. In 2023 Mithun was honored with the AIA Architecture Firm Award. Bert serves as an international leader, speaker and advocate for sustainable building and urbanism, with lectures in Beijing, Jerusalem, and Sarajevo. His research initiatives include leading the first regional carbon accounting effort, with ULI and the Puget Sound Regional Council, for Seattle’s 2040 regional growth “Reality Check,” "The Model Resilient Zoning Code with Equity" in collaboration with Vivian Loftness and Alisdair McGregor, and developing one of the first web-based materials carbon calculators in 2007, www.buildcarbonneutral.org, collaborating with the University of Texas at Austin and the University of Washington.

Vivian Loftness is Paul Mellon Chair and University Professor at Carnegie Mellon University and former Head of its School of Architecture. She is an internationally renowned researcher, author, and educator with over forty years of experience in building science research. In addition to editing the 2013 and 2020 Springer Encyclopedia on Sustainable Built Environments, she has authored books, research reports, and chapters on climate and regionalism in architecture, environmental design and sustainability, advanced building systems integration, and design for performance in the workplace of the future to enhance productivity, health, and the triple bottom line. Vivian has been recognized as one of 13 Stars of Building Science by the Building Research Establishment in the UK, received the Award of Distinction from AIA Pennsylvania and the Northeast Sustainable Energy Association (NESEA), holds a National Educator Honor Award from the American Institute of Architecture Students (AIAS), and a USGBC “Sacred Tree” Award.