Big Brothers Big Sisters Columbia Northwest

Big Brothers Big Sisters Columbia Northwest | 452 followers on LinkedIn. Together, We are Defenders of Potential. | For more than 100 years, Big Brothers Big Sisters has operated under the belief that inherent in every child is the ability to succeed and thrive in life. As the Portland-Vancouver area’s largest donor and volunteer supported mentoring network, Big Brothers Big Sisters makes meaningful, monitored matches between volunteers and children, ages six through 18. We develop positive relationships that have a direct and lasting effect on the lives of young people.