Heather Holdridge is the Sustainability Director at Lake|Flato Architects. Leveraging her mechanical engineering background, she directs all Lake|Flato teams in establishing and achieving sustainability goals by devising strategies and systems under programs such as LEED, the...
Chris Shaffner, Founder and Principal with The Green Engineer, Inc., a sustainable design consulting firm providing LEED Project Management, Building Performance Analysis, and Sustainable Design Consulting.  Chris grew up in Cincinnati, Ohio but went to...
David Rodriguez, LEED AP BD+C has a philosophy that provides, in principle, buildable, practical projects with a sense of aesthetics and belonging. David grew up in Panama spending a lot of summers in Europe.  He received...
Jason Twill has a career spanning over 20 years in urban development. Jason has been at the forefront of built environment transformation. His career experience includes delivery of sustainable mixed-income housing projects throughout New York City,...
Melissa Rappaport Schifman is an experienced sustainability and finance professional with a demonstrated history of creative problem-solving, thorough analysis, and bottom-line financial results. Skilled in Sustainability Tools and Metrics (including LEED, GRI, and ISSP), Renewable Energy,...
Steve Guttmann is a Principal and the Director of Quality Assurance at Guttmann & Blaevoet (G&B). With more than two decades of leadership in integrated building design, energy conservation, and sustainable and healthy building design, he...
Tim Trefzer is a Sustainability & Corporate Social Responsibility Manager at the Georgia World Congress Center. With his team, he creates and establishes the CSR strategy not only for the GWCC but also for, the Centennial...
Announcement Starting on January 1, 2019, GBMS will begin rolling out it’s new membership community. Members will be given access to some of the guests on the podcasts that you can ask project questions to,...
Announcement Starting on January 1, 2019, GBMS will begin rolling out it’s new membership community. Members will be given access to some of the guests on the podcasts that you can ask project questions to,...
John Zinner, LEED Fellow, is Principal of Zinner Consultants,having founded the firm in 1990. He brings clients a broad sustainability and environmental perspective as well as experience in policy development, project and program planning, and...