Dr. Tolliver is the director of the training, and education division of Hazelden-Betty Ford Foundation. Her research and clinical interests include best practices for youth and adults diagnosed with co-occurring disorders, social information processing styles, community mental health practices, and organizational and systems change practices. She is a powerful advocate for social justice, equity and diversity, especially for Black people and people of color in the context of addiction treatment, leadership, training and integrated models of health care delivery.