1990 establishments in Massachusetts

American metalcore band

defunct videogame company

American alternative rock band

GLSEN (pronounced glisten; formerly the Gay, Lesbian & Straight Education Network) is an American education organization working to end discrimination, harassment, and bullying based on sexual orientation, gender identity and gender expression and to prompt LGBT cultural inclusion and awareness in K-12 schools. Founded in 1990 in Boston, Massachusetts, the organization is now headquartered in New York City and has an office of public policy based in Washington, D.C.