diff --git a/.mailmap b/.mailmap
index aeca88c87..a0433cec8 100644
--- a/.mailmap
+++ b/.mailmap
@@ -26,6 +26,8 @@ Hiroshi Horii <horii@jp.ibm.com> <hhorii@users.noreply.github.com>
 Hitomi Takahashi <hitomi@jp.ibm.com> <hitomi@jp.ibm.com>
 Hitomi Takahashi <hitomi@jp.ibm.com> <hitomi@hitominbookpuro.dhcp.hakozaki.ibm.com>
 Ikko Hamamura <ikkoham@users.noreply.github.com>
+James R. Garrison <garrison@ibm.com>
+James R. Garrison <garrison@ibm.com> <jim@garrison.cc>
 Jay M. Gambetta <jay.gambetta@us.ibm.com>
 Joe Latone <jlatone@us.ibm.com>
 John A. Gunnels <john.a.gunnels@gmail.com>