diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000000..f37ba42ebf
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,7 @@
+# This file contains the default reviewers for ML .NET code
+# For more information on CODEOWNERS file see : https://help.github.com/en/articles/about-code-owners
+
+# For the entire repository 
+* @dotnet/mlnet-core
+ 
+