Southwest Human Development is Arizona's largest nonprofit dedicated to early childhood development. Recognizing a child's earliest experiences and relationships establish the foundation for all future development, Southwest Human Development's more than 40 comprehensive programs focus on young children – ages birth to 5 – and their families in the areas of child development, mental health, Easterseals disabilities services, early literacy, Head Start, family support and child welfare, and professional development and training. Founded in 1981, Southwest Human Development serves 140,000 children, families and professionals each year.