Joinus Person Information is a comprehensive database of personal information for major figures in South Korea. It was established in 1985, making it the largest person database in the country. The service provides information on key executives and VIP customer management for leading companies, as well as being a valuable resource for external public relations.

The Joinus Person Information application was developed to enhance accessibility to personal information for executives and sales personnel who frequently engage in external activities. Employees can conveniently access the Joinus Person Information service on their smartphones without the need for separate login or authentication procedures. There are no usage limits, allowing users to freely utilize the service.