Green Globes and Guiding Principles Compliance Fellows

Jeff Sexton, GPCF, LEED AP

Jeff is a Principal of Sherlock, Smith & Adams, Inc. (SS&A), a multi-disciplinary architecture and engineering firm. As a licensed landscape architect and sustainability coordinator, Jeff has been involved in and has led sustainability projects nationally and overseas for the past twenty-nine years. He has a Bachelor of Landscape Architecture degree from Auburn University and […]


Thomas Warner, AIA, LEED AP BD+C, GPCF, CCS

Thomas Warner is a Senior Architect with Haskell, a Design-Build firm, out of its St. Paul, Minnesota office. Thomas is Chair of Haskell’s Sustainability Council and in charge of the Council’s Educate Subcommittee. Since 2006, he has worked as the Sustainability Lead on over 40 Department of Defense, National Guard and Coast Guard projects with […]


Elevate Your Expertise with a Professional Credential

Play an important role in making buildings more environmentally sustainable, healthy, and resilient places to live and work by becoming a Green Globes Emerging Professional, Green Globes Professional, Green Globes Assessor, or Guiding Principles Compliance Professional. GBI’s suite of credentials allow professionals to demonstrate a commitment to green building and distinguish themselves as expert users of GBI assessment programs.

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Upcoming Events

GBI offers a variety of educational resources including live and recorded webinars and in-person seminars. Take a look at the calendar and register for an upcoming event today!

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