He has already named his White House chief of staff, an important position, as well as his press secretary and his chief counsel, and has been filling in some of their deputies and assistants as well.

If the assistant or something like it does not take off, Google's status as the chief navigator of our digital lives could be superseded by a half-dozen other assistants.

Its principal member in charge is called chief representative and other members are called representatives, advisers, assistants or secretaries.