This training is an introductory training on trauma. This training discusses the definition of trauma, explaining both acute and complex trauma. This training also describes how traumatic experience impacts brain development in children and how that effects them into adulthood. This training also explores the ACES (Adverse Childhood Experiences) study and how that has influenced the movement to become more trauma sensitive in working with children and families. At the conclusion of the training, there is a brief discussion on addressing secondary trauma as well as the importance of building resiliency in children and families who have experienced complex trauma.