The Bureau of Children, Youth, Families, and Developmental Disabilities (CYF-DD) within the Division of Mental Hygiene is responsible for the planning, funding and oversight of much of New York City's comprehensive network of child and adolescent community mental health services, as well as services for individuals with intellectual and/or developmental disabilities. To be appointed to Assignment Level II and above, candidates must have: A doctorate degree from an accredited college or university with specialization in an appropriate field of physical, biological, environmental or social science and one year of full-time experience in a responsible supervisory, administrative or research capacity in the appropriate field of specialization; or.