To effectively match children with caring mentors to share time, experiences, friendship and fun that help children become caring, confident, competent adults. Big Brothers Big Sisters of the 7 Rivers Region serves children in La Crosse, Winona and Trempealeau County. In 2010, 643 children experienced a one-to-one relationship with a caring Big Brother, Big Sister or Big Couple. Big Brothers Big Sisters is proven to help children grow in self-confidence, improve their school behavior and performance, and get along better with friends, family members, and other adults! Big Brothers Big Sisters is a donor and volunteer supported organization. Start something for kids by supporting Big Brothers Big Sisters as a donor and/or volunteer!