diff --git a/src/wanijo/instance/domain.clj b/src/wanijo/instance/domain.clj
index f5e665a..d9aee88 100644
--- a/src/wanijo/instance/domain.clj
+++ b/src/wanijo/instance/domain.clj
@@ -20,8 +20,10 @@
         {:uuid schema-uuid})))
 
 (neo4j/defquery create-instance
-  "MATCH (s:schema {uuid:{schema_uuid}})
-   CREATE (i:instance {uuid:{uuid}})-[:of]->(s)
+  "MATCH (s:schema {uuid:{schema_uuid}}),
+         (u:user {uuid:{user_uuid}})
+   CREATE (i:instance {uuid:{uuid}})-[:of]->(s),
+          (i)-[:created_by]->(u)
       SET i.name = {name},
           i.created_at = {created_at},
           i.updated_at = {created_at}")
@@ -35,14 +37,15 @@
          p.created_at = {created_at},
          p.updated_at = {updated_at}")
 
-(defn create! [schema-uuid instance]
+(defn create! [user-uuid schema-uuid instance]
   (let [instance-uuid (neo4j/uuid)
         now (neo4j/now-str)
         instance-tuple [create-instance
                         {:schema_uuid schema-uuid
                          :name (:name instance)
                          :uuid instance-uuid
-                         :created_at now}]
+                         :created_at now
+                         :user_uuid user-uuid}]
         prop-tuples (for [{:keys [attribute value]} (:properties instance)]
                       [create-property
                        {:uuid instance-uuid
diff --git a/src/wanijo/instance/routes.clj b/src/wanijo/instance/routes.clj
index e281bfb..b256533 100644
--- a/src/wanijo/instance/routes.clj
+++ b/src/wanijo/instance/routes.clj
@@ -21,6 +21,7 @@
 
 (defn new! [req]
   (let [schema-uuid (get-in req [:params :schema-uuid])
+        user-uuid (get-in req [:session :uuid])
         req-attrs (domain-attr/required! schema-uuid)
         form-def (forms-inst/with-attributes req-attrs)]
     (if (form/valid? form-def req)
@@ -28,7 +29,8 @@
             req-attrs (domain-attr/required! schema-uuid)
             instance (forms-inst/form-data->instance form-data
                                                      req-attrs)]
-        (domain/create! schema-uuid
+        (domain/create! user-uuid
+                        schema-uuid
                         instance)
         (resp/redirect (path :instance-list
                              (:params req))))