Meet Our Instructors

Learn form the best when you use our green building trainers. GBES provides in-house LEED professionals to teach each of our online and in-person classes. All of our trainers have taken and passed the new LEED (and/or WELL and SITES) credential exams.

Meet The Instructors:


Chloé Billingsley
Sustainability Consultant

Credentials:
LEED AP O+M, LEED AP BD+C, Fitwel Ambassador, ActiveScore AP

Location:
Tempe, AZ


Amanda Howard
ESG Manager

Credentials:
LEED AP ID+C, Fitwel Ambassador, GRI Certified Sustainability Professional

Location:
Atlanta, GA


Victoria Magda
Senior Sustainability Consultant

Credentials:
LEED AP ID+C, WELL AP, Fitwel Ambassador

Location:
Portland, OR


Hannah Nelson
Sustainability Consultant

Credentials:
LEED AP, WELL AP, BREEAM AP, Fitwel Ambassador

Location:
Burlington, WI


Kai Vessey
Associate Decarbonization Consultant

Credentials:
LEED AP BD+C

Location:
Iowa City, IA


Nicholas Rubenstein
Senior Sustainability Consultant

Credentials:
LEED AP BD+C, WELL AP, Fitwel Ambassador

Location:
Pittsburgh, PA


Amy Stelmaszyk
Senior ESG Data Analyst

Credentials:
LEED Green Associate

Location:
New York, NY


Michelle Benavides
Sustainability Education Expert

Credentials:
SEA, LEED AP BD+C, M.Ed

Location:
Raleigh, NC


Asa Posner
Vice President of Sales

Credentials:
LEED Fellow, LEED AP BD+C, LEED AP O+M

Location:
Minneapolis, MN


Ashley Langenfeld
Sustainability Education Expert

Credentials:
PE, LEED AP BD+C, WELL AP, GGP, GGF, Green Rater

Location:
Olathe, KS

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