Ruichen Chen @ruichen-chen Active 5 years, 7 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Ruichen Chen changed their profile picture 5 years, 10 months ago Ruichen Chen's profile was updated 5 years, 10 months ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio