diff --git a/src/index.html b/src/index.html
index 553a32a..b633d0c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -1368,6 +1368,7 @@ <h3 id="signed-by">Signed by:</h3>
       <li>Erin Mastrantonio, COO & Accessibility Director, Elevation Web</li>
       <li>Clark Gunn, Front-end Developer and Accessibility Specialist</li>
       <li>Bram Janssens, Web Accessibility Specialist, AnySurfer</li>
+      <li>Jiří Zmrhal, CPWA</li>
     </ol>
     <p>
       <a class="add-your-name" href="https://github.com/karlgroves/overlayfactsheet/#endorse-this-statement">