After two years of working for the Chuuk State Government, Mori was hired as the comptroller of the Micronesia Development Bank. Three years after joining the bank, Mori was promoted President and Chief Executive Officer of the Development Bank.
Mori's tenure with the Chuuk State Government preceded his appointment as controller of the Micronesia Development Bank. Three years into his role at the bank, Mori rose through the ranks to become president and CEO.