PMI stands for the Project Management Institute, which is a not-for-profit professional organization for project management. PMI is the leading authority in project management and is committed to advancing the project management profession to positively impact project success. The organization was started in 1969 and now has a membership of more than 2.9 million professionals worldwide. PMI is responsible for creating the Project Management Body of Knowledge (PMBOK), which is a guide that outlines the standard practices for project management. The PMBOK includes a set of processes, procedures, and best practices that are widely recognized and used in the field of project management. The PMI also offers the Project Management Professional (PMP) certification, which is a globally recognized certificate that assures employers that a person is trained and qualified to manage projects.