diff --git a/csl/acm-sigchi-proceedings.csl b/csl/acm-sigchi-proceedings.csl
index b07d63b15..7e152a640 100644
--- a/csl/acm-sigchi-proceedings.csl
+++ b/csl/acm-sigchi-proceedings.csl
@@ -16,6 +16,14 @@
       <name>Svetlana Yarosh</name>
       <email>lana@cc.gatech.edu</email>
     </contributor>
+    <contributor>
+      <name>Lilly Irani</name>
+      <email>lirani@ics.uci.edu</email>
+    </contributor>
+    <contributor>
+      <name>Eric Baumer</name>
+      <email>ebaumer@ics.uci.edu</email>
+    </contributor>
     <category term="engineering"/>
     <category term="numeric"/>
     <updated>2008-08-10T00:00:00+00:00</updated>