National Alliance on Mental Illness of Western Massachusetts | 203 followers on LinkedIn. NAMI is a grassroots, family and consumer self-help, support, education, and advocacy organization dedicated to improving the lives of people with severe mental illnesses. NAMI is dedicated to the eradication of mental illnesses and to the improvement of the quality of life of all whose lives are affected by these diseases NAMI-WM sponsors support groups for families, friends and people themselves who have a biologically based brain disorder.