Collaborating Across Borders (CAB) is a premier Canada-United States joint conference focusing on an exploration of common issues around interprofessional education (IPE) and practice (IPP).  The Collaborating Across Borders conference series launched in 2007 as an interprofessional venue where educators, clinicians, researchers, policy makers and students on both sides of the border engaged in rich and productive dialogue regarding interprofessional education, practice and research.  The conference series is held biennially and travels between the United States and Canada.