diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index c9912dd52e..556f41b601 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -2,10 +2,15 @@
 # to a PR when it is opened instead of needing to be manually assigned or being left 
 # unassigned. PRs without assigned Reviewers do not get the prompt attention that 
 # they should.
+#
 # The CODEOWNERS are not Gatekeepers, just someone who has the domain knowledge to 
 # review a PR in an area. 
+#
+# Rules are evaluated in this order, and the last match is used for auto-assignment.
+*           @azure/azure-sdn-members
 /**/go.mod  @rbtr @matmerr
 /.github/   @rbtr @matmerr @vakalapa
 /cns/       @azure/acn-cns-reviewers
+/dropgz/    @rbtr @camrynl @paulyufan2 @ashvindeodhar @thatmattlong
 /npm/       @azure/acn-npm-reviewers
-/zapai/     @rbtr 
+/zapai/     @rbtr @ZetaoZhuang