"Peace by Peaceful Means" and "Construction of Peace" are intentional choices. The former is from the title of Galtung's book; "construction" of peace was used instead of "making" or "building" peace to imply the importance of "ideational" factors. Among many conditions for the existence of peace, ideational factors matter most since all human behaviors begin from the mind and heart, as the Preamble to the Constitution of UNESCOs that “since wars begin in the minds of men, it is in the minds of men that the defences of peace must be constructed.” If we lose battles for peace from the mind and heart, there is no chance for enduring peace from the beginning. In this context, peace forums and peace institutes play critical roles for the substantiation of peace. Through discussions and talks about how to achieve peace locally and globally and how to realize peace more deeply in our daily lives in peace forums and peace institutes, we have mananged to figure out better ways to achieve and keep peace. In this session, we will hear from the very people who manage peace forum, such as Paris Peace Forum and Basel Peace Forum, how peace forums have evolved, what is the purpose of the forums, and how they operates, who participate the forums, and so forth. Moreover, we will also learn form the directors of peace institutes such as the PRIO, the SIPRI, and the JPI that how they define peace and how their peace institutes contribute to the achievement of peace. On top of that, we also expect some recommendations for the future Jeju Forum.