The Institute of Internal Auditors was founded in 1941 by a small group of dedicated internal auditors who wanted an organization that would promote the role of the internal auditor and provide educational activities and standards for the professional practice of internal auditing. By 1999, the Institute had grown to include over 70,000 members representing more than one hundred countries around the world.

In 1944 the Institute began publishing its journal, Internal Auditor. This award-winning journal continues to present in-depth information on auditing practices and techniques and features articles written by experts from all over the world. In 1947 the Statement of Responsibilities of Internal Auditing was issued and became the foundation for development of internal auditing standards. The official motto "Progress Through Sharing" was adopted in 1955 and continues to guide the Institute's contributions to the profession. Institute members approved the Code of Ethics in 1968. Institute members...