diff --git a/OWNERS b/OWNERS
index f2ed65dd..451d56ae 100644
--- a/OWNERS
+++ b/OWNERS
@@ -5,6 +5,7 @@ approvers:
 - krzyzacy
 - stevekuznetsov
 - test-infra-oncall
+- sig-k8s-infra-oncall
 
 labels:
 - sig/testing
diff --git a/OWNERS_ALIASES b/OWNERS_ALIASES
index 68940278..879d9e85 100644
--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -7,18 +7,21 @@ aliases:
   aws-janitor-emeritus-contributors:
   - detiber
 
-  # business hours oncall for prow etc (https://go.k8s.io/oncall)
   test-infra-oncall:
-  - chaodaiG
-  # TODO(chases2): uncomment below once joined k8s-sig
-  # - chases2
+  - airbornepony
+  - chases2
   - cjwagner
-  - fejta
-  - listx
-  # TODO(michelle192837): uncomment below once joined k8s-sig
-  # - michelle192837
-  # TODO(mpherman2): uncomment below once joined k8s-sig
-  # - mpherman2
+  - michelle192837
+  - mpherman2
+  - timwangmusic
+
+  sig-k8s-infra-oncall:
+  - BenTheElder
+  # kubernetes.io org admins
+  - ameukam
+  - dims
+  - thockin
+  - upodroid
 
   ibmcloud-janitor-reviewers:
   - Amulyam24