diff --git a/docs/img/sound-transit.png b/docs/img/sound-transit.png
new file mode 100644
index 0000000..865df6c
Binary files /dev/null and b/docs/img/sound-transit.png differ
diff --git a/includes/co-authors-logo-grid.html b/includes/co-authors-logo-grid.html
index e30c2b3..a7d7d4c 100644
--- a/includes/co-authors-logo-grid.html
+++ b/includes/co-authors-logo-grid.html
@@ -44,6 +44,9 @@
   <div class="logo-grid__item">
     <img src="img/sumc.png" alt="Shared Use Mobility Center (SUMC)" />
   </div>
+  <div class="logo-grid__item">
+    <img src="img/sound-transit.png" alt="Sound Transit" />
+  </div>
   <div class="logo-grid__item">
     <div class="show-light-mode">
       <img src="img/taskar-light.png" alt="Taskar Center for Accessible Technology" />