Japan's Mizuho Financial Group has announced changes to its board lineup.

Mizuho Financial Group, the Tokyo-based financial services firm, has announced several changes to its management lineup. 

Effective 23 June 2014, Seiji Koga joins the company as director, subject to approval at the shareholder meeting on the same date. In a statement, Koga will be an "outside director" under the Companies Act, or a person who does not own any stake or is employed by the company. 

At the same time, Yuji Yoshimasu takes over from Nobukatsu Funaki as corporate auditor, following the latter's retirement. This will also be subject to shareholder approval. 

Mizuho Financial Group has a range of financial services businesses, including banking, securities and asset management.