diff --git a/dexpreopt/OWNERS b/dexpreopt/OWNERS
new file mode 100644
index 0000000..166472f
--- /dev/null
+++ b/dexpreopt/OWNERS
@@ -0,0 +1 @@
+per-file * = ngeoffray@google.com,calin@google.com,mathieuc@google.com
diff --git a/java/OWNERS b/java/OWNERS
new file mode 100644
index 0000000..d68a5b0
--- /dev/null
+++ b/java/OWNERS
@@ -0,0 +1 @@
+per-file dexpreopt.go = ngeoffray@google.com,calin@google.com,mathieuc@google.com