Big Brothers Big Sisters of Southeast Indiana is an affiliate of Big Brothers Big Sisters of America, the oldest and largest youth mentoring organization in the United States. Big Brothers Big Sisters is a non-profit organization that unites adults and children in one-to-one mentoring relationships. Volunteer opportunities exist through our community-based and school-based mentoring programs. The children enrolled in our program are between the ages of 6 and 14 and are referred to us by school personnel, counselors, or parents themselves. The mission of Big Brothers Big Sisters is helping children in need reach their potential through professionally supported, one-to-one mentoring relationships with volunteers.