diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 55d38d2e20d..079ac7f2997 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -10,3 +10,16 @@
 /packages/aws-amplify/package.json @aws-amplify/amplify-js-admins
 /.circleci/ @aws-amplify/amplify-js @aws-amplify/amplify-devops
 /.github/ @aws-amplify/amplify-js-admins
+/packages/auth @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/aws-amplify/src/adapter-core @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/adapterCore @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/singleton @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/utils/convert @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/utils/WordArray.ts @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/storage @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/utils/generateRandomString.ts @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/utils/globalHelpers @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/utils/urlSafeDecode.ts @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/awsClients/cognitoIdentity @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/clients/internal @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF
+/packages/core/src/Hub @ukhan-amazon @haverchuck @cshfang @jimblanc @HuiSF