diff --git a/gpu/OWNERS b/gpu/OWNERS
index b3881c67e6fbf..b2e87eebbf219 100644
--- a/gpu/OWNERS
+++ b/gpu/OWNERS
@@ -15,3 +15,6 @@ per-file *passthrough*=geofflang@chromium.org
 
 # For SharedImages
 vikassoni@chromium.org
+
+# D3D, dcomp, Windows platform integration, etc.
+rafael.cintron@microsoft.com
diff --git a/ui/gl/OWNERS b/ui/gl/OWNERS
index 1f6eeb278948b..9318e9d76bb3c 100644
--- a/ui/gl/OWNERS
+++ b/ui/gl/OWNERS
@@ -10,3 +10,6 @@ per-file *surface_control*=vasilyt@chromium.org
 
 # For Windows Direct Composition and Swap Chain
 magchen@chromium.org
+
+# D3D, dcomp, Windows platform integration, etc.
+rafael.cintron@microsoft.com