diff --git a/OWNERS.md b/OWNERS.md
index f88de100dbc72..551f5d7412a97 100644
--- a/OWNERS.md
+++ b/OWNERS.md
@@ -44,6 +44,15 @@ routing PRs, questions, etc. to the right place.
 * Antonio Vicente ([antoniovicente](https://github.com/antoniovicente)) (avd@google.com)
   * Event management, security, performance, data plane.
 
+# Senior extension maintainers
+
+The following extension maintainers have final say over the extensions mentioned below. Once they
+approve an extension PR, it will be merged by the maintainer on-call (or any other maintainer)
+without further review.
+
+* Piotr Sikora ([PiotrSikora](https://github.com/PiotrSikora)) (piotrsikora@google.com)
+  * Wasm
+
 # Envoy security team
 
 * All maintainers