The Service Desk Institute, founded in 1988, is a worldwide professional organisation for those working in the IT service and support industry. SDI delivers information to help improve the knowledge of help desk professionals through IT support training, community based forums and event-based services. Their stated goals are to help individuals improve their knowledge and skills to enhance the careers of IT service professionals.
SDI was first named The Help Desk User Group and was founded by Howard Kendall. The company later became known as the Help Desk Institute. In 2008 the company undertook a re-branding exercise and on 9 April 2008 changed its name to The Service Desk Institute.