NYK boxship boss Jeremy Nixon has been appointed CEO of the new Ocean Network Express (ONE).
ONE is the company running the combined containership operations of NYK, MOL and K Line, launching next April.
Nixon has been CEO of NYK's global liner management division from 2012, based in Singapore.
He was COO of the division before that, having won promotion from his role as managing director of NYK Line Europe.
Nixon moved from Maersk Line in 2008, having worked at P&O Nedlloyd.
ONE has been formed with $200m of capital, aiming to run services across 90 countries.
It will be the sixth largest liner company in the world with a capacity of 1.44m teu.
This includes 31 ultra-large containerships (ULCs) in a fleet of about 240 vessels.
The companies said they plan to carry out a promotional sales tour around the world in October, before starting to take bookings in February next year.
The holding company, Ocean Network Express Holdings, was set up in Tokyo last week, with operating entity Ocean Network Express Pte being established in Singapore.
But ONE still needs competition approval in the US and South Africa.
The group expects the South African green light before 1 April, but did not mention the US process.
The Federal Maritime Commission (FMC) rejected its application on the grounds it did not have jurisdiction to approve what constituted a merger.
The Journal of Commerce said the decision would be passed to the department of justice.
Regional headquarters of the operating company will be set up in Singapore, Hong Kong, London, Richmond in the US and Sao Paulo in Brazil.
The deal, announced at the end of October last year, also includes worldwide terminal operation businesses, excluding those in Japan.