Dr. Twomey has extensive clinical experience in early childhood. She provides therapy to children and their families through the Behavior and Development, Autism Spectrum Disorders, and Infant Behavior, Cry and Sleep Clinics at the Women and Infants Center for Children and Families. She has worked with families affected by perinatal substance use through research, program development and treatment. Her research interests include parenting abilities of substance-using women, developmental outcomes of substance-exposed infants with child welfare involvement, and the impact of infant behavioral difficulties on parental mental health. Dr. Twomey has been involved on longitudinal studies examining prenatal substance exposure and child outcomes. She was co-principal investigator on a Robert Wood Johnson Foundation grant examining families who participated in the RI Family Treatment Drug Court. In 2010, she was named Social Worker of the Year in Children & Families by the Rhode Island Chapter of the National Association of Social Workers.