diff --git a/OWNERS b/OWNERS
index 0da623c..dee7d70 100644
--- a/OWNERS
+++ b/OWNERS
@@ -21,6 +21,9 @@
 nuskos@google.com
 oysteine@google.com
 
+# UI, Chromium-related metrics and simpler trace processor changes.
+altimin@google.com
+
 # Most Android-related metrics.
 ilkos@google.com