Trilogy's mission is to assist people in their recovery from serious mental illness by helping them discover and reclaim their own capabilities and life direction.

Trilogy is a private, not-for-profit community behavioral health agency whose mission is to serve people with serious mental illnesses. Trilogy has provided services in the Rogers Park and Evanston communities since 1971.

Trilogy, Inc. is accredited by the Commission on the Accreditation of Rehabilitation Facilities (CARF) and licensed by the Illinois Department of Human Services Division of Mental Health (DMH) as a Medicaid provider and operator of Community Integrated Living Arrangements (CILA).