diff --git a/perception/cluster_merger/package.xml b/perception/cluster_merger/package.xml
index 14826ad07e098..220837bfd7e4e 100644
--- a/perception/cluster_merger/package.xml
+++ b/perception/cluster_merger/package.xml
@@ -6,8 +6,9 @@
   <description>The ROS 2 cluster merger package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
-  <maintainer email="dai.nguyen@tier4.jp">autoware</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
+  <author email="dai.nguyen@tier4.jp">Dai Nguyen</author>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
 
diff --git a/perception/compare_map_segmentation/package.xml b/perception/compare_map_segmentation/package.xml
index 42fad723b5d57..ca427db9811ba 100644
--- a/perception/compare_map_segmentation/package.xml
+++ b/perception/compare_map_segmentation/package.xml
@@ -6,7 +6,7 @@
   <description>The ROS 2 compare_map_segmentation package</description>
   <maintainer email="abrahammonrroy@yahoo.com">amc-nu</maintainer>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
-  <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
 
   <!-- Original authors -->
diff --git a/perception/detected_object_validation/package.xml b/perception/detected_object_validation/package.xml
index 3e494a78cd5ad..b69a5f4cdf5dd 100644
--- a/perception/detected_object_validation/package.xml
+++ b/perception/detected_object_validation/package.xml
@@ -6,7 +6,7 @@
   <description>The ROS 2 detected_object_validation package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
-  <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <maintainer email="shintaro.tomie@tier4.jp">Shintaro Tomie</maintainer>
   <license>Apache License 2.0</license>
 
diff --git a/perception/euclidean_cluster/package.xml b/perception/euclidean_cluster/package.xml
index 56be3c3fc5bc0..58992d29d712d 100644
--- a/perception/euclidean_cluster/package.xml
+++ b/perception/euclidean_cluster/package.xml
@@ -5,6 +5,7 @@
   <version>0.1.0</version>
   <description>The euclidean_cluster package</description>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
diff --git a/perception/ground_segmentation/package.xml b/perception/ground_segmentation/package.xml
index 84a053d732cc9..1734487dcc6b3 100644
--- a/perception/ground_segmentation/package.xml
+++ b/perception/ground_segmentation/package.xml
@@ -7,7 +7,7 @@
   <maintainer email="abrahammonrroy@yahoo.com">amc-nu</maintainer>
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
-  <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
 
   <!-- Original authors -->
diff --git a/perception/image_projection_based_fusion/package.xml b/perception/image_projection_based_fusion/package.xml
index 4457cf3d3992d..a5b41a30be166 100644
--- a/perception/image_projection_based_fusion/package.xml
+++ b/perception/image_projection_based_fusion/package.xml
@@ -7,7 +7,7 @@
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
-  <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <maintainer email="kotaro.uetake@tier4.jp">Kotaro Uetake</maintainer>
   <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
   <maintainer email="koji.minoda@tier4.jp">Koji Minoda</maintainer>
diff --git a/sensing/image_diagnostics/package.xml b/sensing/image_diagnostics/package.xml
index c613ea5e18902..ea57285e81aba 100644
--- a/sensing/image_diagnostics/package.xml
+++ b/sensing/image_diagnostics/package.xml
@@ -4,9 +4,11 @@
   <name>image_diagnostics</name>
   <version>0.1.0</version>
   <description>The image_diagnostics_package</description>
-  <maintainer email="dai.nguyen@tier4.jp">dainguyen</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
 
+  <author email="dai.nguyen@tier4.jp">Dai Nguyen</author>
+
   <buildtool_depend>ament_cmake_auto</buildtool_depend>
 
   <depend>cv_bridge</depend>
diff --git a/sensing/pointcloud_preprocessor/package.xml b/sensing/pointcloud_preprocessor/package.xml
index 936c52ef81b37..73f40cc4b44b0 100644
--- a/sensing/pointcloud_preprocessor/package.xml
+++ b/sensing/pointcloud_preprocessor/package.xml
@@ -8,6 +8,7 @@
   <maintainer email="yukihiro.saito@tier4.jp">Yukihiro Saito</maintainer>
   <maintainer email="shunsuke.miura@tier4.jp">Shunsuke Miura</maintainer>
   <maintainer email="kyoichi.sugahara@tier4.jp">Kyoichi Sugahara</maintainer>
+  <maintainer email="dai.nguyen@tier4.jp">Dai Nguyen</maintainer>
   <license>Apache License 2.0</license>
 
   <!-- Original authors -->