diff --git a/author/shinichi-takayanagi-ph.d./index.html b/author/shinichi-takayanagi-ph.d./index.html
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@@ -741,7 +741,7 @@ <h3>Lead AI Engieer</h3>
           
         
         <li>
-          <a href="https://www.linkedin.com/in/shinichi-takayanagi-1299ba2b/" target="_blank" rel="noopener" aria-label="linkedin">
+          <a href="https://www.linkedin.com/in/shinichi-takayanagi/" target="_blank" rel="noopener" aria-label="linkedin">
             <i class="fab fa-linkedin big-icon"></i>
           </a>
         </li>
@@ -775,7 +775,7 @@ <h3>Lead AI Engieer</h3>
     <div class="article-style">
       <p>Dr. Takayanagi is a Principal AI Engineer at <a href="https://www.bcg.com/x" target="_blank" rel="noopener">BCG X</a> and Visiting Associate Professor in <a href="https://www.tokushima-u.ac.jp/ai/about/staff/#wrap" target="_blank" rel="noopener">Center for Design-Oriented AI Education and Research</a> at Tokushima University. He is also the co-founder of <a href="https://hoxo-m.com/" target="_blank" rel="noopener">HOXO-M Inc</a>.
 His research interests include statistical and data science, machine learning theory, theoretical physics, and its applications of related fields.</p>
-<p>Feel free to send me a direct message on <a href="https://twitter.com/_stakaya" target="_blank" rel="noopener">Twitter</a>, <a href="https://www.linkedin.com/in/shinichi-takayanagi-1299ba2b/" target="_blank" rel="noopener">LinkedIn</a> or get in touch via <a href="shinichi.takayanagi@gmail.com">email</a>.</p>
+<p>Feel free to send me a direct message on <a href="https://twitter.com/_stakaya" target="_blank" rel="noopener">Twitter</a>, <a href="https://www.linkedin.com/in/shinichi-takayanagi/" target="_blank" rel="noopener">LinkedIn</a> or get in touch via <a href="shinichi.takayanagi@gmail.com">email</a>.</p>
 <p>
   <i class="fas fa-download  pr-1 fa-fw"></i> Download my <a href="/uploads/resume.pdf" target="_blank">resumé</a>.</p>
 
diff --git a/index.html b/index.html
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+++ b/index.html
@@ -833,7 +833,7 @@ <h3>Lead AI Engieer</h3>
           
         
         <li>
-          <a href="https://www.linkedin.com/in/shinichi-takayanagi-1299ba2b/" target="_blank" rel="noopener" aria-label="linkedin">
+          <a href="https://www.linkedin.com/in/shinichi-takayanagi/" target="_blank" rel="noopener" aria-label="linkedin">
             <i class="fab fa-linkedin big-icon"></i>
           </a>
         </li>
@@ -867,7 +867,7 @@ <h1>Biography</h1>
     <div class="article-style">
       <p>Dr. Takayanagi is a Principal AI Engineer at <a href="https://www.bcg.com/x" target="_blank" rel="noopener">BCG X</a> and Visiting Associate Professor in <a href="https://www.tokushima-u.ac.jp/ai/about/staff/#wrap" target="_blank" rel="noopener">Center for Design-Oriented AI Education and Research</a> at Tokushima University. He is also the co-founder of <a href="https://hoxo-m.com/" target="_blank" rel="noopener">HOXO-M Inc</a>.
 His research interests include statistical and data science, machine learning theory, theoretical physics, and its applications of related fields.</p>
-<p>Feel free to send me a direct message on <a href="https://twitter.com/_stakaya" target="_blank" rel="noopener">Twitter</a>, <a href="https://www.linkedin.com/in/shinichi-takayanagi-1299ba2b/" target="_blank" rel="noopener">LinkedIn</a> or get in touch via <a href="shinichi.takayanagi@gmail.com">email</a>.</p>
+<p>Feel free to send me a direct message on <a href="https://twitter.com/_stakaya" target="_blank" rel="noopener">Twitter</a>, <a href="https://www.linkedin.com/in/shinichi-takayanagi/" target="_blank" rel="noopener">LinkedIn</a> or get in touch via <a href="shinichi.takayanagi@gmail.com">email</a>.</p>
 <p>
   <i class="fas fa-download  pr-1 fa-fw"></i> Download my <a href="/uploads/resume.pdf" target="_blank">resumé</a>.</p>