He's already in charge of the world's biggest telecoms services company by revenue. His strategy for partnership with global IT companies like EDS suggest he wants to take the Japanese powerhouse much further still.
Tachikawa has made DoCoMo synonymous with mobile data. The I-mode service took Japan by storm and is breaking in Europe. Can he repeat the trick in 3G?
By concentrating on DSL, Tchuruk has given a lifeline to the European telecoms equipment market-leader he has headed since 1995. Now he is quietly preparing a new services-led strategy, but is he keeping up with IP services development?