Trilingual is a working tool, not a CV line
I work in French, English and Japanese, and I have spent most of my career in Japan. Switching language mid meeting to unblock one person is normal for me. Language is not decoration. It is how misunderstandings get caught before they become rework.
High context and low context teams need a different me
Japanese teams often communicate indirectly and value consensus through nemawashi. Western teams expect directness and fast dissent. I adapt how I give feedback and drive decisions to the room, without pretending everyone works the same way. The method flexes, the standard does not.
Make the implicit explicit
Most cross cultural friction is unspoken assumptions about deadlines, ownership and what yes means. I over communicate the boring things, who decides, by when, in writing, so nobody has to guess across a language or a timezone.
Timezones are a design constraint
Distributed teams do not fail on talent, they fail on handoffs. I design the async trail, decisions written down, clear owners, no meeting required to understand status, so Tokyo and Paris are not blocked waiting for each other to wake up.
Real example
At SmartNews and Datachain I bridged Japanese engineering teams and international stakeholders every day. My meetings produced a written English summary and a Japanese one, so neither side lost nuance, and decisions stopped getting re-litigated because we understood it differently.