diff --git a/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php b/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
--- a/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
+++ b/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
@@ -202,6 +202,10 @@
     }
 
     $properties->addProperty(
+      pht('Host'),
+      $viewer->renderHandle($event->getUserPHID()));
+
+    $properties->addProperty(
       pht('Invitees'),
       $invitee_list);