diff --git a/layouts/index.html b/layouts/index.html
index 8320da2..97413c9 100644
--- a/layouts/index.html
+++ b/layouts/index.html
@@ -1291,6 +1291,7 @@ <h3 id="signed-by">{{ T "topic08p06" | safeHTML}}</h3>
       <li>Marianne Glover, Accessibility specialist</li>
       <li>Sonny Darvish, UX and Accessibility Engineer at JobRad GmbH</li>
       <li>Thomas Schemmer, Web Accessibility Specialist</li>
+      <li>Aliyu Yisa, Cyber Security Professional and Co-Founder at Fezzant</li>
       <li>Ashlee Fisher, Accessibilitiy Consultant, Semantic Fish Creative Group LLC</li>
     </ol>
     <p>