B Lab is a non-profit organization that serves a global movement of people using business as a force for good. Its vision is that one day all companies compete not only to be the best in the world, but the Best for the World® and as a result society will enjoy a more shared and durable prosperity. B Lab drives this systemic change by: 1) Building a global community of Certified B Corporations that meet the highest standards of verified, overall social and environmental performance, public transparency, and legal accountability; 2) Promoting Mission Alignment using innovative corporate structures like the benefit corporation to align the interests of business with those of society and to help high impact businesses be built to last; 3) Helping tens of thousands of businesses, investors, and institutions Measure What Matters, by using the B Impact Assessment and B Media Analytics to manage their - and the profits of the businesses with whom they work as their impact; 4) Inspiring rigor to join the B-t story through the Change movement.