diff --git a/MAINTAINERS b/MAINTAINERS
index d53db30d1365b..df5fc5625ec85 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14862,6 +14862,7 @@ F:	drivers/s390/block/dasd*
 F:	include/linux/dasd_mod.h
 
 S390 IOMMU (PCI)
+M:	Matthew Rosato <mjrosato@linux.ibm.com>
 M:	Gerald Schaefer <gerald.schaefer@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported