diff --git a/hackathons/rum-3-sfo.md b/hackathons/rum-3-sfo.md
index c6ac3ab..31534a5 100644
--- a/hackathons/rum-3-sfo.md
+++ b/hackathons/rum-3-sfo.md
@@ -59,6 +59,7 @@ If you had your hands on RUM code in the past year, you are welcome to join us.
 2. @trieloff
 3. @rpapani
 4. @ramboz
+5. @cziegeler
 
 ### Preparation