RCI (formerly, Group RCI; formerly Resort Condominiums International) is a division of the firm Wyndham Worldwide. Founded in 1974 by Jon and Christel DeHaan, it has grown to become one of the larger brokers of timeshare trades. RCI has over 4,000 affiliated resorts in over 100 countries around the world. Its membership base is approximately 3.6 million members worldwide. RCI operates two main exchange programs - RCI Weeks and RCI Points.