diff --git a/CREDITS b/CREDITS
index e00b9d6335cc..508616cf2516 100644
--- a/CREDITS
+++ b/CREDITS
@@ -11,8 +11,8 @@ Dropbox core team:
 
   Jukka Lehtosalo <jukka.lehtosalo@iki.fi>
   Guido van Rossum <guido@python.org>
-  Ivan Levkivskyi
-  Michael J. Sullivan
+  Ivan Levkivskyi <levkivskyi@gmail.com>
+  Michael J. Sullivan <sully@msully.net>
 
 Non-Dropbox core team members: