diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000000..89b446a634
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+ccross@android.com
+dwillemsen@google.com
diff --git a/core/clang/OWNERS b/core/clang/OWNERS
new file mode 100644
index 0000000000..d41d3fcea2
--- /dev/null
+++ b/core/clang/OWNERS
@@ -0,0 +1,4 @@
+chh@google.com
+pirama@google.com
+srhines@google.com
+yikong@google.com
diff --git a/tools/OWNERS b/tools/OWNERS
new file mode 100644
index 0000000000..7a23adce9b
--- /dev/null
+++ b/tools/OWNERS
@@ -0,0 +1,2 @@
+per-file warn.py = chh@google.com
+per-file checkowners.py = chh@google.com
diff --git a/tools/releasetools/OWNERS b/tools/releasetools/OWNERS
new file mode 100644
index 0000000000..39448cf662
--- /dev/null
+++ b/tools/releasetools/OWNERS
@@ -0,0 +1 @@
+tbao@google.com