The 17 expert members of the Ontario Dementia Care Alliance (ODCA) have volunteered their combined decades of experience to craft this document, in the hopes that it will start a collaborative dialogue between government and care providers. This document also serves as a warning: dementia will be among the defining public health challenges of the coming decades. The number of Ontarians living with dementia will triple by 2050; no component of our dementia care system, from family doctors to specialists to home and community care to long-term care homes, will be able to meet this demand as they are positioned today.