diff --git a/Maintainers.txt b/Maintainers.txt
index ffb69c17fe..fbfc74e183 100644
--- a/Maintainers.txt
+++ b/Maintainers.txt
@@ -168,6 +168,9 @@ W: https://github.com/tianocore/tianocore.github.io/wiki/MdeModulePkg
 M: Star Zeng <star.zeng@intel.com>
 M: Eric Dong <eric.dong@intel.com>
 M: NetworkPkg maintainers (Universal/Network)
+R: Ruiyu Ni <ruiyu.ni@intel.com>
+  (especially for Bus, Universal/Console, Universal/Disk,
+   Universal/BdsDxe and related libraries, header files)
 
 MdePkg
 W: https://github.com/tianocore/tianocore.github.io/wiki/MdePkg