diff --git a/core/proto/OWNERS b/core/proto/OWNERS
index 2ace1ac..480b1ea 100644
--- a/core/proto/OWNERS
+++ b/core/proto/OWNERS
@@ -11,6 +11,9 @@
 yaochen@google.com
 yro@google.com
 
+# Settings UI
+per-file settings_enums.proto=zhfan@google.com
+
 # Frameworks
 ogunwale@google.com
 jjaggi@google.com