CHEO Foundation The Children's Hospital of Eastern Ontario (CHEO) touches the lives of over 500,000 patients and families each year. You, our donors, help provide them with the best care and support. The CHEO Foundation mission is to further the physical, mental and social well-being of children and their families in eastern Ontario and western Quebec by raising, managing and dispersing funds to CHEO, the CHEO Research Institute, CHEO School and the Roger Nielson House. #Hero4CHEO