diff --git a/chain/CODEOWNERS b/chain/CODEOWNERS
new file mode 100644
index 0000000000..15ef533575
--- /dev/null
+++ b/chain/CODEOWNERS
@@ -0,0 +1,11 @@
+* @sorawit
+
+/bridges/ @sorawit @taobun @prin-r
+/chain/ @sorawit @taobun @benzbeeb
+/flusher/ @taobun @benzbeeb
+/go-owasm/ @sorawit @taobun
+/helpers/ @taobun @tansawit
+/obi/ @sorawit @taobun
+/owasm/ @sorawit @taobun
+/runtime @sorawit @taobun
+/scan/ @evilpeach pzshine