diff --git a/www/conservancy/static/sponsors/index.html b/www/conservancy/static/sponsors/index.html
index 663dbc28e033ddffebb19a7c42c30844f376d967..d0891a36d2a872a9f768c3de807f5db352bf3f20 100644
--- a/www/conservancy/static/sponsors/index.html
+++ b/www/conservancy/static/sponsors/index.html
@@ -86,6 +86,7 @@ any of its sponsors.</p>
   <li>Pariksheet Nanda</li>
   <li>Deborah A. Nicholson</li>
   <li>Samuel and Cristine Noble</li>
+  <li>Donald Robertson</li>
   <li>Prabowo Saputro</li>
   <li>Christopher Schafer</li>
   <li>Richard Schmeidler</li>