Matthew L. Ritter @matthew-l-ritter Active 10 years, 5 months ago ActivityProfileSites 1Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Matthew L. Ritter changed their profile picture 10 years, 5 months ago Matthew L. Ritter changed their profile picture 12 years, 11 months ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio