The Northern California Society of American Foresters, with about 900 members, is a unit of the Society of American Foresters (Est. 1900), with about 18,000 members. The Society is a national organization representing all segments of the forestry profession in the United States . It includes public and private practitioners, researchers, administrators, educators, and forestry students. The mission of the Society is to advance the science, education, technology, and practice of forestry and to use the knowledge, skills, and conservation ethic of the profession to ensure the continued health and use of forest ecosystems, and the present and future availability of forest resources to benefit society.