Andrea Lewis


Associate Principal

As a seasoned project and program manager, Andrea brings thorough communication skills, thoughtful planning, and details-oriented oversight to O’Brien & Company’s projects, resulting in lasting relationships and quality products delivered on-time and on-budget.

Andrea has 15 years of professional experience in the environmental and sustainability fields for public, private, and non-profit sectors.  She is certified as a Project Management Professional using creative and collaborative approaches to engage all the right players and information in meaningful ways to achieve measurable results.

As an Associate Principal at O’Brien & Company, she manages the firm’s program, policy, planning services, and oversees delivery of educational products.   Andrea has been trained to conduct the NCI Charrette Facilitation program and ISO 14064-1 GHG Inventories.

Accreditations, Certifications and Advanced Degrees
Certified Sustainable Building Advisor (CSBA)
Project Management Professional (PMP)