MS&AD Insurance Group Holdings, Inc. announced that Jiro Yoshino currently Managing Executive Officer of Aioi Nissay Dowa Insurance Co. Ltd. has been appointed as Corporate auditor with Masayoshi Nakamura resigning as full time Corporate auditor effective from June 26, 2013 and appointed Toshihiko Tanaka currently Senior Executive Officer of Aioi Senior Executive Officer of Aioi as Senior Executive Officer in place of Takayoshi Umemura who is resigning as Senior Executive Officer effective from June 26, 2013.