The Sioux Falls Jaycees are a 501c3 nonprofit serving the Sioux Falls community. As Jaycees, we have the ability and opportunity to make a great difference in our community and in ourselves. The Junior Chamber (Jaycees) is a leadership training and community service organization for men and women between the ages of 18 and 40, affiliated with the parent organization JCI International. Members of the Sioux Falls Junior Chamber are truly a part of a legacy of unselfish caring and giving at its best. Our members provide our community with the never-ending spirit, ingenuity and drive that have become cornerstone characteristics of this organization.