diff --git a/Maintainers.txt b/Maintainers.txt
index 1db5b46baf..df7cfdeeaf 100644
--- a/Maintainers.txt
+++ b/Maintainers.txt
@@ -265,7 +265,7 @@ F: MdeModulePkg/Universal/DevicePathDxe/
 F: MdeModulePkg/Universal/DriverHealthManagerDxe/
 F: MdeModulePkg/Universal/LoadFileOnFv2/
 F: MdeModulePkg/Universal/SecurityStubDxe/Defer3rdPartyImageLoad.*
-R: Ray Ni <ray.ni@intel.com> [niruiyu]
+R: Dandan Bi <dandan.bi@intel.com> [dandanbi]
 
 MdeModulePkg: Core services (PEI, DXE and Runtime) modules
 F: MdeModulePkg/*Mem*/
@@ -314,7 +314,7 @@ R: Ray Ni <ray.ni@intel.com> [niruiyu]
 
 MdeModulePkg: Disk modules
 F: MdeModulePkg/Universal/Disk/
-R: Ray Ni <ray.ni@intel.com> [niruiyu]
+R: Dandan Bi <dandan.bi@intel.com> [dandanbi]
 
 MdeModulePkg: Firmware Update modules
 F: MdeModulePkg/*Capsule*/