diff --git a/staging/src/k8s.io/apiextensions-apiserver/OWNERS b/staging/src/k8s.io/apiextensions-apiserver/OWNERS
index b4f4992c16d..e8d56499d10 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/OWNERS
+++ b/staging/src/k8s.io/apiextensions-apiserver/OWNERS
@@ -11,5 +11,6 @@ reviewers:
   - logicalhan
   - jpbetz
   - roycaihw
+  - alexzielenski
 labels:
   - sig/api-machinery
diff --git a/staging/src/k8s.io/apiserver/pkg/endpoints/discovery/OWNERS b/staging/src/k8s.io/apiserver/pkg/endpoints/discovery/OWNERS
new file mode 100644
index 00000000000..5bc38de99b2
--- /dev/null
+++ b/staging/src/k8s.io/apiserver/pkg/endpoints/discovery/OWNERS
@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+  - alexzielenski
diff --git a/staging/src/k8s.io/kube-aggregator/OWNERS b/staging/src/k8s.io/kube-aggregator/OWNERS
index 1ced482ca42..aabbedf13c1 100644
--- a/staging/src/k8s.io/kube-aggregator/OWNERS
+++ b/staging/src/k8s.io/kube-aggregator/OWNERS
@@ -14,5 +14,6 @@ reviewers:
   - sttts
   - cheftako
   - logicalhan
+  - alexzielenski
 labels:
   - sig/api-machinery
diff --git a/test/integration/apiserver/OWNERS b/test/integration/apiserver/OWNERS
index 7fb6b78f2b4..4b6695467ef 100644
--- a/test/integration/apiserver/OWNERS
+++ b/test/integration/apiserver/OWNERS
@@ -1,2 +1,3 @@
 approvers:
   - apelisse
+  - alexzielenski