This document discusses the role of OpenCourseWare (OCW) in open education. It provides background on OCW, including that OCW makes university course materials like textbooks, presentations, and videos freely available online. It notes the current status of the Japan OpenCourseWare Consortium (JOCW) and the OpenCourseWare Consortium (OCWC), including the number of participating universities and courses available. It then discusses how OCW relates to and differs from other open educational resources (OER). Finally, it outlines several topics for discussion around OCW and open education, such as quality assurance of OCW, the role of emerging open education markets and technologies, and the relationship between OCW, OER,