GBI Staff

The Green Building Initiative (GBI) is backed by a dedicated, professional staff that is committed to helping create sustainable, healthy, and resilient buildings for all.

Vicki Worden

Entrepreneur, sustainability professional, and now as President & CEO of the Green Building Initiative (GBI), an international nonprofit dedicated to improving the impact of buildings on climate and society, Vicki Worden has supported a myriad of industries, corporations, government agencies, and international nonprofits progress sustainability goals while increasing ROI. In an age of great change in the […]


Nina Armstrong

In her role as Associate Director of Market Development, Nina provides market development support by establishing and maintaining relationships with national corporate portfolio managers and other portfolio managers, and community members. She represents GBI at various national conferences by attending, presenting at, and hosting booths as well as identifying speaking and sponsorship opportunities to increase […]


Megan Baker

As Vice President of Engagement, Megan Baker is responsible for development and implementation of GBI’s global marketing and communications strategies. She joined GBI in 2017 and held roles in client services, business development, and education before rising to her current role in 2023. Megan is a passionate advocate for increasing accessibility of sustainable, healthy, and […]


Nilesh Bansal

Nilesh Bansal

As the Vice President of Building and Program Innovation, Nilesh’s primary focus is on spearheading program development and collaborating with team members to shape the organization’s long-term strategic vision, particularly in alignment with GBI’s sustainability goals. Prior to this role, Nilesh served as the Director of Sustainability at a leading tech startup where he led […]


GBI Manager of Client Services and Engagement Christopher Binder

Christopher Binder

In his role as Manager of Client Services and Engagement, Christopher provides highly detailed project management and administration of building certification projects, assists with general inquiries, and develops and delivers educational training. Christopher built a strong foundation in customer service over the past five years, working most recently as the general manager of a cafe. […]


Emily Bowers

As Senior Director of State & Local Affairs, Emily works with state and local government entities, as well as interested policymakers, to provide resources and support in the shared pursuit of reducing climate impacts in the built environment. By working closely with local decision makers to open markets to GBI tools, Emily ensures that communities […]


Anna Bushee

Anna comes to GBI with a background in non-profit educational association management, customer service, and direct caregiving. She graduated Cum Laude from the University of Massachusetts with a bachelor’s in Communication and a minor in Anthropology. In her role as Manager of Client Services and Engagement, Anna provides highly detailed project management and administration of […]


Kate Callahan

As Senior Director of Client Services and Engagement, Kate supports GBI’s Client Services team to ensure the delivery of exceptional project management and educational offerings. She works directly with project teams evaluating sustainability objectives and pursuing Green Globes certification and Guiding Principles Compliance verification, providing expert assistance and guidance. Additionally, Kate works closely with the […]


Kat Cooper hEadshot

Kat Cooper

She/Her In her role as Manager of Creative Content, Kat identifies creative ways to connect with the GBI community, contributes to the strategy and implementation of social media content, and manages GBI’s brand and website design. Kat adds to GBI graphic design and branding experience from a variety of industries. She holds both a bachelor’s […]


Adam Feiszli

In his role as Associate Director of IT & Operations Adam provides highly detailed project management and administration of building certification projects, assists with general inquiries, and develops and delivers educational training. Adam brings to GBI four years of customer service and support experience, along with a background in Environmental Consulting. He holds a bachelor’s […]


Elizabeth Fjerstad

In her role as Associate Director of HR & Administration, Elizabeth provides support to a variety of services with GBI, including managing our day-to-day HR operations, finance and administration programs, assisting with general inquiries, and various other administration programs. She comes to GBI with experience in both customer service and human resource administration. Elizabeth holds […]


Anthony Garcia Headshot

Anthony Garcia

In his role as Manager of Client Services and Engagement, Anthony provides highly detailed project management and administration of building certification projects, assists with general inquiries, and develops and delivers educational training. Anthony comes to GBI with experience in multifamily and student housing, financial services, and customer service. He holds a bachelor’s degree in finance […]


Jenna Morgan Hamilton

Jenna is a Washington, D.C.-based leader with more than 20+ years of experience in the buildings and construction sector and significant expertise in public and governmental affairs. As Vice President of National Affairs for GBI, Jenna conducts outreach and education on green building issues with GBI’s growing list of national customers and stakeholders as well […]


Amryl Jenkins-Brooks

As Associate Director of Finance and Administration for GBI, Amryl supports GBI’s clients, leadership, and team members. Prior to GBI, Amryl worked for 20 years in the office equipment technology industry, where she was able to obtain experience in general administration, office management, human resources, accounting, and sales support. Her experience in change management has […]


GBI Manager of Client Services and Engagement, Katy Johnson

Katy Johnson

As the dedicated Manager of Client Services and Engagement, Katy plays a crucial role in overseeing complex building certification projects with meticulous care and precision. With over a decade of experience in customer service, specializing in administration and project management, Katy brings a wealth of expertise to her role. Her career spans various industries, including […]


Emily Marx

As Associate Director of Standards and Program Support, Emily manages and collaborates with volunteer subject matter experts to obtain consensus on technical requirements for GBI’s ANSI Standards. She also works closely with the Client Services team and Green Globes Assessors to create, update, and manage many of GBI’s certification questionnaires. Emily has fifteen years of […]


Jenniffer Mata

In her role as Manager of Client Services and Engagement, Jen provides highly detailed project management and administration of building certification projects, assists with general inquiries, and develops and delivers educational training. Jen comes to GBI with ten years of bilingual experience in customer service in both the private and public sectors. She has also […]


GBI Senior Vice President Jenna Middaugh

Jenna Middaugh

Jenna Middaugh rose to become GBI’s first Senior Vice President (SVP) in October 2023. The creation of this role is representative not only of Jenna’s accomplishments but also GBI’s growth over its 19-year history and its commitment to recognizing and nurturing talent from within. In her previous role, Jenna served as Vice President of Operations […]


Sara Rademacher

As Vice President of Programs & Operations, Sara Rademacher drives development of GBI’s ANSI Standards and delivery of its programs and services worldwide. She is a skilled relationship builder, fostering GBI’s continued growth in the US and Canada and its global expansion into Central & South America, Europe, the Middle East, and beyond. Sara joined […]


Annie Snyder

As Director of Education & Events, Annie works with the engagement team to develop and coordinate the Green Building Initiative’s calendar of events, including webinars, GBI hosted events and conferences. She oversees the end-to-end professional credential training development and serves as the lead production project manager for webinars and other online trainings. Annie also establishes […]


Kevin Stover, P.E.

Kevin Stover is the Chief Engineer with the Green Building Initiative. Stover works with the Green Globes rating system and offers support for design, construction and operation of commercial buildings. Stover is responsible for tracking registered projects, interfacing with members and users; addressing technical issues; and reaching out to prospective users, organizations and public entities. […]


Micah Thomas

Micah Thomas is a valued content expert who advances development of GBI’s user-friendly assessment tools and rating systems. As the Compliance Specialist, Micah implements refinements and improvements following periodic updates to GBI’s Green Globes and federal Guiding Principles Compliance programs. Micah’s knowledge of green building approaches is highly valued and he shares his expertise through […]


Adam Wellen

In his role as Senior Director of Membership and Community, Adam supports GBI’s mission by engaging with GBI members and maintaining the platforms which enable them and their organizations to collaborate, share, and learn. Adam comes to GBI with a background in membership association management, customer service, and project management. He graduated with a bachelor’s […]


Tori Yattaw

As Associate Vice President of Finance & Administration, Tori Yattaw is responsible for the overall leadership of finance and human resources. With 20 plus years of experience in public, private, and nonprofit corporations, she has deep roots in compliance and reporting and also understands the importance of relationship building in organizational success. Tori joined GBI […]