diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000000000..9083500547d6e
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,4 @@
+* @youtube/cobalt-3p-repository-owners
+/.github/ @youtube/cobalt-committers
+/chrobalt/ @youtube/cobalt-committers
+/starboard/ @youtube/cobalt-committers