Greg Winkler, AIA, LEED AP, is a principal in Green Lizard Management, a project management firm that provides owner representation and project management services to corporate, developer, and institutional clients. An architect with over 25 years of experience in affordable housing, office buildings, industrial/commercial, and retail construction, he was a contributor to the Southern Solar Energy Center publication, The Passive Solar Design Handbook, and is the co-author of Analysis of Passive Solar System Thermal Performance.

Gary Chiumento is the founder of Chiumento McNally & Shockley LLC, a firm specializing in construction-related law. The firm's clients include architects, engineers, surveyors, construction management companies, and various construction professionals. He has published numerous articles on topics of interest to the design and business community and is a frequent speaker on professional liability issues.