Joon-Yong Kim @joon-yong-kim Active 9 years, 6 months ago ActivityProfileSites 1Friends 1Groups 2 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Sorry, there was no activity found. Please try a different filter. CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio