Qin Chen @qin-chen Active 7 years, 11 months ago @tuf58299 Nice to meet you. View ActivityProfileSites 0Friends 0Groups 0 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