diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index f714e15099..aa11256b41 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -3577,6 +3577,11 @@
 	<email>hcchu@r350.ee.ntu.edu.tw</email></para>
     </listitem>
 
+    <listitem>
+      <para>Hyogeol Lee
+	<email>hyogeollee@gmail.com</email></para>
+    </listitem>
+
     <listitem>
       <para>IMAI Takeshi
 	<email>take-i@ceres.dti.ne.jp</email></para>