Christian Kadner has become a Committer
diff --git a/site/_data/contributors.yml b/site/_data/contributors.yml
index 48301ed..20ee86e 100644
--- a/site/_data/contributors.yml
+++ b/site/_data/contributors.yml
@@ -48,6 +48,12 @@
   org: NASA
   role: PMC Member
 
+- name: Christian Kadner
+  apacheId: ckadner
+  githubId: ckadner
+  org: IBM
+  role: Committer
+
 - name: Davies Liu
   apacheId: davies
   githubId: davies