Rosen is a licensed clinical social worker with a full-time private practice in Cambridge, Massachusetts. She is on the faculty of the Jean Baker Miller Training Institute and is on the attending staff of McLean Hospital in Belmont, Massachusetts. Dr. Rosen has taught for many years as a member of the adjunct faculty at Smith College School for Social Work. In 1999, she received the Massachusetts National Association of Social Workers' award for Greatest Contribution to Social Work Practice.