Elizabeth A. D. Powers


Principal, Owner

Elizabeth specializes in the application of integrative process and use of sustainability measurement systems to create better economic, social, and ecological outcomes for O’Brien & Company’s clients. She uses the knowledge she’s gained from over 20 years in the field and her skills motivating people to facilitate projects and programs focused on the built environment using the Integrative Process (IP) standard developed by the American National Standards Institute.

The primary focus of her work over the last 20 years has been the development and application of sustainability systems, metrics and indicators to commercial, institutional and infrastructure development.

As a principal and owner, she is the Principal-In-Charge on over three dozen LEED and sustainable building projects for the company. She also provides education, technical assistance, and program support in the areas of sustainable site development, green building materials, and sustainable construction practices.

Accreditations, Certifications and Advanced Degrees
ENVISION Sustainable Professional (ENV-SP)
Certified Sustainable Building Advisor (CSBA)