MUFG Americas Holdings in New York, the holding company for California's Union Bank, has named Kanetsugu Mike chairman of the holding company and bank.

Mike will succeed Masashi Oka as executive chairman of the $114 billion-asset company. Oka will become special adviser to Nobuyuki Hirano, president of Bank of Tokyo-Mitsubishi UFJ. Their new positions take effect Oct. 23.

Mike will retain his role as regional executive for the Americas, with oversight of MUFG Americas Holdings' U.S., Latin American and Canadian businesses, a position he has held since May. Mike will also continue as senior managing executive officer and deputy chief executive of the global business unit of Bank of Tokyo-Mitsubishi UFJ.

Oka was chief executive of Union Bank in San Francisco and its holding company, UnionBanCal, from July 2010 to June 2014.

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