DAVID R KELLER, @kellermath 0 Friends ActivityProfileLocationFriends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates Friendships New Groups Group Memberships Group Updates Posts Member Location DAVID R KELLER updated new location at 1155 S Ridge Ave, Arlington Heights, IL 60005, USA 3 years, 10 months ago DAVID R KELLER became a registered member 3 years, 10 months ago