Green Globes Assessors

Third-party Green Globes Assessors (GGA) interface with project teams and building owners in real-time to create powerful partnerships.

Skilled in green building design and operational best practices, engineering, construction and facility operations, assessors review documentation and your online questionnaire, answer questions, and conduct onsite building assessments. They offer personalized and insightful recommendations to enhance sustainable, healthy, and resilient design and practices.

Here’s how it works:

Create a GBI account and add your project
Register the project to gain full access
Request a quote and purchase assessment services
We assign a GGA – Our team pairs project teams with highly qualified third-party assessors from the earliest stages through onsite assessment and final certification report delivery

Meet The Assessors

Barbara Clarke

The very first Earth Day occurred when Barbara was in sixth grade, and she saw that the health of the planet was something worth working for. Later, as a young woman, Barbara stayed with relatives in Sweden where she witnessed recycling as a way of life, hydro power that served an entire neighborhood, and bicycle […]

Buddy Humphries

Perhaps it was hailing from three generations of farmers that instilled Buddy with his great affinity for nature and love of the land. Visiting his grandparent’s Kentucky farm every year, he roamed the fields and played with the animals. “We saw where everything came from and where it went. I knew where the well was […]

David Eldridge

A crop farm in western Illinois was the backdrop of David’s youth, and his time in the Boy Scouts first introduced him to ecological concerns. Learning about building loads and system thermodynamics in college changed David’s mind from pursuing a career in making machinery to one that took an engineering approach toward the environment. One […]

David Griffin

Growing up in Arkansas, David took advantage of the great outdoors with frequent camping trips. As an eagle scout, he learned the joy of personal development and serving others. In adulthood, David applies his lessons to the built environment as he strives to “save the world, one building at a time.” His professional focus has […]

David Johnson

Born into a family of environmentalists, David’s father worked for the U.S. Forest Service and both of his parents were scout leaders. They lived within walking distance of Tennessee’s Hiwassee River, and David grew up canoeing, fishing, camping, and hiking. “I still try to spend as much time as I can outdoors,” David muses. “When my […]

David Stewart

Living by the ocean in Nova Scotia has given David an appreciation of the power of nature and need to take care of the environment. He started his career in Newfoundland working in the off-shore trained as an Ocean Engineer and within two years moved into the energy efficiency and renewable energy field using his […]

Devon Hutton

Devon is a seasoned professional with over 20 years of experience in design and construction, specializing in sustainability and resiliency. Her multifaceted career spans various roles, including architect, project manager, sustainability consultant, owner’s representative, and contractor consultant. She has contributed to a wide range of projects, from residential to commercial, industrial, and community works. Her […]

Dirk Mason

An avid skier since the tender age of four, Dirk almost became a snow scientist in order to work where he played. Memories of waterskiing, sailing, canoeing and snow skiing near his family’s cottage in north Wisconsin ultimately led him to obtain an under- graduate degree in geography and environmental science. “I grew up in […]

Donald Martin

A recycler since he was a 10-year-old paperboy, Don collected the newspapers on his route and recycled them at a nearby facility and wrapped gifts in comic-strip pages. “Later, in architecture school, I built design models out of junk mail like Marlboro cigarette flyers and reclaimed Frito Lay tray boxes from my job at a […]

Eric Truelove

Raised in the Connecticut suburbs during the 1960s, Eric says much of the U.S. was an environmental disaster zone. “Life Magazine called the Connecticut River ‘best landscaped sewer in America.’ This was a place where my family used to picnic,” Eric recalls. “Every year, men would come and spray the trees on our street with […]

Glenn Haydu

In 2006, Glenn worked on an eye-opening project: an office building pursuing the highest green building certification available at the time. As an architect, Glenn had always wanted to positively influence a building’s surroundings through design, but this project kicked off a change in his mindset. “It got me thinking about an integrated process, materials, […]

Jiri Skopek

Jiri is best known for creating and developing Green Globes environmental assessment tools, which include modules for design of New Buildings, Sustainable Interiors, and Operation and Management of Existing Buildings (BOMA Canada/ GBI US), University Campuses (APPA) and Building Intelligence Quotient (BIQ). These assessment modules have been adopted and are promoted in North America by […]

John Chyz

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

Beaches with pristine sugar-white sands and clear waters, and the rich diversity of the Florida swamps are scenes Mark recalls from his youth. As a boy scout, he and loved to do things outdoors, which drives his ongoing desire to preserve the environment. “When I see fertilizers wash into streams and warmer waters that let […]

Micheal Smith

“Leave it better than you found it,” is the ethic that guides Micheal both personally and professionally. An avid camper, he’s spent a lot of time in the Great Smoky Mountains with his tent pitched near clean, clear, cold running streams. “I want to protect that,” declares Micheal. “In many ways, we are dirtying our […]

Nathan Elliott

Growing up on a small organic farm in rural Illinois, Nathan was immersed in a culture of doing more with less. His father made his own fertilizers out of organic matter, installed a solar panel to heat their house, and sold colorful vegetables at a roadside stand. “We tried to reuse all the time. We’d […]

Paul Shafer

The Hudson Valley’s geography is dominated by its wide river valley, deep gorges, and the nearby Catskill Mountain forest. It was here that Paul developed his great appreciation for nature’s extreme beauty and human impacts. “There’s a feeling of age and gentleness to the landscape, but the river was so polluted that we weren’t supposed […]

Rich Mitchell

In the University of Oregon’s architecture program in the 1980s, several professors lit a fire under Rich and his classmates by motivating them toward holistic design. When Rich entered the profession, however, the young architect’s college passions became tabled by clients’ focus on costs. But in the mid-90s, the industry re-awakened to sustainability and that […]

Bradley Grant

Bradley grew up in the farming communities of mid-Missouri and attended engineering school amid the natural beauty of the Ozarks. Now a longtime Colorado resident, he’s found a deep sense of home and purpose in the rugged landscape of the Mountain West. Bradley is continually inspired by the interface between the natural world and the […]

Charlie Saville

GGA, GGP, GPC, GBI Fellow, LEED AP Charlie lives in the Chicagoland area, but his heart is in Door County Wisconsin connectingnature and the Great Lakes. For most of his professional life, he has focused on the interconnection of sustainability and the built environment. With an education and professional background in architecture and engineering, Charlie believes all aspects of building design, construction, operations, […]

Eileen R. Pesantes

PE, PhD, GGA Eileen was born and raised in Puerto Rico, a small archipelago with beautiful beaches and diverse natural landscapes, from the tropical rainforest in the northeast to the tropical dry forest in the west. Growing up near the ocean, Eileen learned firsthand of its tranquil charm on sunny days and its formidable power […]

Gregory Switzer

GGA, LEED Green Rater, GPR New Home Rater, WELL AP, ENV SP, Fitwel Ambassador Greg Switzer is a Technical Manager at Partner Energy with more than 20 years of experience in architecture, engineering, construction, and sustainability consulting. His experience includes whole building energy analysis, benchmarking, energy, and water conservation measures, building commissioning, and green certification […]

Weijun Allen Mei

P.E., C.E.M., BEMP, GGA, GGP, ICC Certified Commercial Energy Plans Examiner, LEED AP Allen grew up in the countryside, where his fascination with buildings began by crafting structures from bricks, sticks, and dirt. That early curiosity led him to study HVAC systems and later, building performance simulations. After earning his Master of Engineering from Purdue […]

Sumayyah Theron

CEO and Founder

Avant-garde Sustainable Solutions

CHAIR ELECT

Sumayyah Theron is a sustainability expert with 20+ years of experience in sustainable building design, project management and green building certifications, Sumayyah Theron oversees the development and execution of comprehensive carbon reduction strategies and counsels clients on sustainable practices, green building certifications and emerging trends. She was named to Engineered Systems’ “20 to Watch: Women […]

Roxanne Tate

Roxanne is an accomplished professional with experience that spans the academic, industrial, institutional, and commercial sectors. An accomplished Professional Engineer and Entrepreneur, Roxanne also holds a Master of Applied Science from Dalhousie University for her work with Biodiesel fuels. Environmental sustainability has been in the forefront since she became an Earthkeeper in elementary school. A career in Engineering […]

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