Sager is an expert in child care, particularly family child care, with insights into the role of child care in education, health, economic development, and racial and gender justice. She is the founding CEO of All Our Kin, a nationally recognized nonprofit that trains, supports and sustains family child care educators. She also co-teaches a Yale University seminar on “Child Care, Society, and Public Policy." She is an Ashoka Fellow, a Pahara Aspen Fellow, and a member of the Aspen Global Leadership Network. Most recently, she was named to the CARE 100 list of the Americans doing the most to re-imagine and re-humanize our care system.