diff --git a/app/serializers/tournament_serializer.rb b/app/serializers/tournament_serializer.rb
index 330fca8..9805797 100644
--- a/app/serializers/tournament_serializer.rb
+++ b/app/serializers/tournament_serializer.rb
@@ -4,4 +4,8 @@ class TournamentSerializer < SimpleTournamentSerializer
   attributes :description
   has_many :stages
   has_many :teams
+
+  attribute :owner_username do
+    object.owner.username
+  end
 end