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 […]

David G

David Griffin II, BEMP, AIA, GGF, GGA

Trained in both architecture and building science, David has focused his career on the integration of the built environment and energy conserving/consuming systems. A focus on whole building energy simulation allows him to provide investment grade financial analysis to all parties involved, proving the business case for sustainability in both new construction and existing buildings. […]


Tehmina Husain, GGF, GPCF, LEED AP BD+C

Tehmina Husain has over 18 years of professional experience in the Building Design and Construction Industry. She has several years of experience teaching as an undergraduate faculty at the Interior Design program and then as a Sustainability trainer/coach. She educates professionals on the importance of building green by conducting training workshops and speaking in conferences/seminars. […]

J CHyz

John Chyz, P.E., GGA, GGF, GPCF, WELL AP

Fond childhood memories of swimming and fishing in fresh water lakes and climbing rolling hills in his hometown north of Toronto gave John his love of the outdoors. He’s had a keen interest in environmental stewardship for as long as he can remember. “In 10th grade, we were tasked with writing a paper and I […]


Mark Russell, PhD, P.E., GPCA, GGA, GGF, GPCF

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.

Learn More

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!

All Upcoming Events