Lighthouse Institute, a division of Chestnut Health Systems, Inc., was established in 1986. Our central mission is to help practitioners improve the quality of their services through research, training, and publishing. Serving health and human service organizations through offices in Chicago, Bloomington and Maryville, Illinois, Institute staff conduct applied research, program evaluation, training, consultation, and management services.

Lighthouse Institute also publishes books, monographs, curricula, and manuals on various issues of behavioral health, education, and program management. Institute staff have backgrounds and expertise in Addictions, Business, Education, Management Information Systems, Psychology, Public Health, Rehabilitation, Research Methods, Statistics, and Social Work.

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