diff --git a/MAINTAINERS b/MAINTAINERS
index 98c398d9..acff5861 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3,3 +3,4 @@ https://weave-community.slack.com/messages/flagger/ (obtain an invitation
 at https://slack.weave.works/).
 
 Stefan Prodan, Weaveworks <stefan@weave.works> (Slack: @stefan Twitter: @stefanprodan)
+Takeshi Yoneda, DMM.com <cz.rk.t0415y.g@gmail.com> (Slack: @mathetake Twitter: @mathetake)