Knowledge and use of different communication and learning styles Knowledge of organizational, strategic, participatory, collaborative skills Knowledge of human, legal, civil rights, community, and other resources Knowledge of available equipment, therapies and service providers Knowledge of empowerment and self-advocacy techniques. About Vinfen: Established in 1977, Vinfen is a nonprofit, health and human services organization and a leading provider of community-based services to individuals with mental health conditions, intellectual and developmental disabilities, brain injuries, and behavioral health challenges.