New Buildings Institute

Our Mission

We push for better buildings that achieve zero energy, zero carbon, and beyond – through research, policy, guidance, and market transformation – to protect people and the planet.

Career Opportunities: Director, Project Analyst, and Project Manager

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New Buildings Institute (NBI) is a nonprofit organization pushing for better energy performance in buildings. We work collaboratively with industry market players—governments, utilities, energy efficiency advocates and building professionals—to promote advanced design practices, innovative technologies, public policies and programs that improve energy efficiency. We also develop and offer guidance and tools to support the design and construction of energy efficient buildings.

Throughout its 20-year history, NBI has become a trusted and independent resource helping to drive buildings that are better for people and the environment.

Our theory of change includes setting a vision and defining a path forward. We then set out to create the research that serves as the basis for tool and policy development necessary to create market change. We envision a transformed built environment that is carbon-free, sustainable, and energy-efficient and supports thriving economies that benefit all people and the planet.

Looking forward, we will continue to fuel innovation that accelerates adoption of “next” practice in energy performance by the energy efficiency and building industries. NBI’s role is critical to creating low energy, even zero energy, buildings. This is a future where the built environment represent an effective use of resources, a positive force against climate change, and a driver for local economies that creates jobs and saves money for homeowners and business on energy costs.

Read Our NBI Factsheet Read Our Annual Report

Reflecting on NBI's first 20 years

See the series of blogs and interviews

NBI believes in financial transparency to preserve your trust

See Financial Statements  See Form 990

STAFF: Our staff are subject matter experts in energy efficiency and green building design and operations.

Ralph DiNola


Ralph is an expert facilitator and convener providing inspiration and a pathway for business, policymakers and building owners seeking quantum advances in building energy performance.

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Amy Cortese

Director of Programs

Amy has been involved in sustainable design consulting and implementation of energy efficiency market transformation approaches for over 20 years. She is responsible for managing implementation teams covering all aspects of NBI’s work.

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Jim Edelson

Director of Policy

Jim is a leading advocate for advanced energy codes and has been at the forefront of national and local commercial energy code development of higher stringency efficiency measures.

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Cathy Higgins

Research Director

Cathy oversees the portfolio of NBI's leading-edge research work involving zero net energy buildings, measured performance, and emerging technologies. She also supports business development.

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Stacey Hobart

Director of Communications

Stacey provides her expertise across NBI projects and programs to clearly communicate progress and accomplishments while also supporting advancement for NBI’s mission.

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Kim Cheslak

Director of Codes

Kim is a building energy codes leader and content matter expert that guides the future of building energy codes throughout the United States. Her work also includes assisting leading jurisdictions to improve their use of zero based-carbon codes and energy policies.

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Alexi Miller

Associate Technical Director

Alexi has spent more than a decade working to transform the built environment through energy efficiency programs, best practices guidance, and policy development.

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Webly Bowles

Project Manager

Webly brings her wide range of experience in sustainable building to NBI's zero net energy building programs. She translates technical requirements to create practical guidance for design and construction professionals.

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Maurissa Brown

RAY Fellow

Maurissa is a recent graduate of UCLA and a RAY Diversity Fellow. She will focus her Fellowship on the intersection of energy efficiency, clean energy, and the environment.

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Kevin Carbonnier

Project Manager

Kevin supports NBI with technical research and data analysis. He also develops and maintains systems for tracking building energy use and reporting on building systems and trends.

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Christopher Dean

Operations & HR Manager

Christopher leads NBI’s administrative team and departments including Human Resources, Operations, and Finance.

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Sean Denniston

Senior Project Manager

Sean uses his expertise for code analysis, tool development and research. He also manages NBI’s New Construction program, which provides technical resources for new construction projects.

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Maria Ellingson

Project Manager

Maria supports NBI’s zero energy and zero carbon market development efforts. Drawing on her experience in energy efficiency and coalition building, she manages NBI partnerships and collaborations for Getting to Zero.

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Leada Fuller-Marashi

Events and Partnerships Manager

Leada facilitates logistics and outreach for NBI events. She also supports NBI’s external communications through content management and stakeholder engagement.

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Mary Hansel


Mary works closely with executive management to oversee all financial aspects of NBI’s business operations.

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Susan Grant Harris

Communications Specialist

Susan supports NBI communications and stakeholder outreach by maintaining tools and client management systems that enable tech transfer of NBI research and guidance.

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Meghan Humphreys

Development Manager

Meghan coordinates fundraising and other advancement efforts for NBI. She works with NBI sponsors and partners, foundations, and other supporters to build a diverse funding mix for NBI’s mission.

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Amruta Khanolkar

Project Manager

Amruta brings her technical expertise on energy efficiency, demand response management, and mechanical design and operation to analyze building energy use, develop tools and advance energy codes and policies.

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Reilly Loveland

Project Manager

Reilly’s focus is on energy efficiency in schools; this work includes developing educational opportunities and resources for a better understanding of zero net energy.

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Mark Lyles

Senior Project Manager

Mark provides technical and design expertise, project management and research support on programs related to zero net energy buildings, new construction and commercial real estate.

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Maggie Trimbach

Office Administrator

Maggie brings her experience in administration, human resources, and accounting to NBI to support staff in reaching the organization’s mission.

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Connie Umphress

Communications Manager

Connie leads NBI’s communications efforts including publication management, brand oversight and stakeholder outreach. She also facilitates the delivery of NBI’s educational webinars.

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Interested in having an NBI expert speak at your event?

Visit Our Speakers Bureau

Our Board Members

Marge Anderson

Board Secretary | Slipstream
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Michael Colgrove

Energy Trust of Oregon
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David Goldstein

Board President | Natural Resources Defense Council
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Jeff Harris

Northwest Energy Efficiency Alliance
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Nancy Jenkins Ander

CA Dept. of General Services
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Brendan Owens

U.S. Green Building Council
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Peter Turnbull

Board Vice President | Consultant
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In memory of NBI Board Member George Malek

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Senior Fellows

Doug Baston

North Atlantic Energy Advisors
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Janice Berman

Director of Grid Innovation, Pacific Gas and Electric Company
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Charles Eley

Retired Eley Associates, RA, PME, Certified Energy Modeler, ASHRAE BEMP
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Dian Grueneich

Precourt Energy Scholar, Precourt Institute for Energy, Stanford University
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Dave Hewitt

Retired New Buildings Institute
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Alexis Karolides

Sustainability Practice Leader, Point Energy Innovation
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Katrin Klingenberg

Executive Director, PHIUS
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Anica Landrenau

Director of Sustainable Design, HOK
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Vivian Loftness

Carnegie Mellon, FAIA, LEED AP, CPHC
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Vinh Mason

Senior Energy Policy Advisor, City of Portland
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RK Stewart

RK Stewart Consultants, FAIA, Hon. FRAIC, Hon. JIA, Hon. AIA, LEED® AP BD+C
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Debbie Karpay Weyl

Manager for Buildings and Industry, World Resources Institute
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Thanks to our valued sponsors and partners

NBI is supported by contributions from a number of entities through sponsorship and grant funding. We are extremely grateful for the faithful support of these organizations.