@yuhenglin Active 3 years, 1 month ago ActivityProfileGroups 1 PersonalMentionsFavoritesGroups Show: — Everything — Updates New Groups Group Memberships Group Updates Yuheng Lin became a registered member 3 years, 1 month ago Yuheng Lin @yuhenglin View Profile Yuheng Lin joined the group UMN-Duluth Fall 2021 3 years, 1 month ago UMN-Duluth Fall 2021 Visit group