Masayoshi Amamiya, head of the Bank of Japan's Osaka branch, has returned to Tokyo after only a year to oversee policy planning at the central bank, adding to a leadership reshuffle under incoming Gov. Haruhiko Kuroda.

Amamiya, 57, takes up his new job as executive director in charge of policy planning Monday, the BOJ said in a statement in Tokyo. Shigeki Kushida takes over as Osaka branch head.

The return of Amamiya, who led the BOJ's monetary affairs department when the bank adopted a 1 percent inflation goal last year, may help Kuroda engineer a shift toward a more aggressive monetary policy stance. With current Gov. Masaaki Shirakawa set to step down with his two deputies Tuesday, JPMorgan Chase & Co. and Barclays PLC expect the BOJ to add stimulus as soon as the next policy meeting, on April 3 and 4.