diff --git a/contrib/gitdm/group-map-ibm b/contrib/gitdm/group-map-ibm
index b66db5f4a8..6c0570107d 100644
--- a/contrib/gitdm/group-map-ibm
+++ b/contrib/gitdm/group-map-ibm
@@ -2,5 +2,10 @@
 # Some IBM contributors submit via another domain
 #
 
+aik@ozlabs.ru
+andrew@aj.id.au
+benh@kernel.crashing.org
 clg@kaod.org
 groug@kaod.org
+joel@jms.id.au
+sjitindarsingh@gmail.com