diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 00000000..865ce1f4
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1,6 @@
+# Lines starting with '#' are comments.
+# Each line is a file pattern followed by one or more owners.
+
+# These owners will be the default owners for everything in the repo.
+* @anu3990 @billfarber @rjrudin @stevebio
+