Our Vision is to promote recognition of the Internal Audit profession and provide high quality education and services. Our Mission is to support and promote excellence within the Internal Audit profession. About The IIA Established in 1941, The Institute of Internal Auditors (IIA) is an international professional association with global headquarters in Lake Mary, Florida, USA. The IIA is the internal audit profession's global voice, recognized authority, acknowledged leader, chief advocate, and principal educator. Generally, members work in internal auditing, risk management, governance, internal control, information technology audit, education, and security.