By Monica E. Oss Last week, we had our first annual OPEN MINDS Children's Services Executive Summit, and my collaborator and colleague, OPEN MINDS Senior Associate Howard Shiffman and I weren't quite sure what to expect. We've both been working in the children's services space for a while, and we’ve seen a lot of change. What we found was great energy for finding new opportunities as part of that change—for new strategies, for new services, for new reimbursement models, and for new business models—among the participating executives from 18 states. The "what" driving that change was the focus of our opening session, The Five…