diff --git a/Summit2011.md b/Summit2011.md
index ddce50b..9d740fb 100644
--- a/Summit2011.md
+++ b/Summit2011.md
@@ -3,7 +3,7 @@
 This is a loosely organized gathering of Tahoe-LAFS developers, enthusiasts, and perhaps some hecklers.
 
 Attending or, at least, interested in attending:
-* David-Sarah, Kevan, Brian, Zancas, Peter, Zooko, Frederik, Gred
+* David-Sarah, Kevan, Brian, Zancas, Peter, Zooko, Frederik, Gred, Zack Weinberg
 
 ## Dates / Location