diff --git a/src/index.html b/src/index.html
index 3056d266..83e3c236 100644
--- a/src/index.html
+++ b/src/index.html
@@ -1217,6 +1217,7 @@ <h3 id="signed-by">Signed by:</h3>
       <li>Mike Mai, designer &amp; coder</li>
       <li>Scott Werley, Frontend Designer/Developer and Accessibility Specialist, self</li>
       <li>Claire Annan, Consulting Software Engineer, 18F</li>
+      <li>Jefté Macêdo, UX researcher and Accessibility Specialist</li>
     </ol>
     <p>
       <a class="add-your-name" href="https://github.com/karlgroves/overlayfactsheet/#endorse-this-statement">