O'Brien360 is a nationally recognized leader in sustainability and green building consulting. We guide clients towards sustainability by translating the best industry information and by leading a collaborative process to arrive at the most practical, sustainable result. We provide green building consulting and training to building owners, developers, architects, contractors, municipalities and other organizations. LEED AP, Certified Sustainable Building Advisor, HERS Rater, LEED for Homes Green Rater, ENERGYSTAR Performance Tester and Verifier