The helena devereux foundation (HDF) is a supporting organization of the devereux foundation d/b/a devereux advanced behavioral health (devereux) and its affiliated entities. HDF is a pennsylvania not-for-profit corporation which holds and invests certain assets to benefit devereux and its programs. Devereux changes lives by unlocking and nurturing human potential for people with emotional, behavioral, or cognitive differences. At devereux, we integrate the latest scientific and medical advancements with time-tested philosophies and compassionate family engagement to provide practical, effective, and efficient care, making a meaningful difference in the lives of those we serve, and the world around them. We help change lives for people with autism, intellectual and developmental disabilities, specialty mental health needs, and child welfare concerns, while supporting the good social and emotional health of ALL people.a spending rule approval is applied under which is equivalent to APPR