'new incumbent' is a correct and usable phrase in written English.
You can use it to refer to somebody who has recently assumed a position or role, for example, "The new incumbent Mayor has not yet held an official press conference."
Or should this account be left behind for the new incumbent?
Before any new incumbent is elected, the realistic scope of the Speaker's responsibilities should be reviewed.
The new incumbent, George Entwistle, will be editorial boss, licence-fee haggler and incarnation of upmarket values.
The new incumbent Raúl Cervantes, could hold the position for nine years – long after Peña Nieto has left office.
Should the new incumbent prove as ambitious as late-stage Johnson, the changes to cycling could be a template for other UK towns and cities.
Along with liberals across the world, he is confident that, with a new incumbent in the White House, what could be considered normal service will be resumed.
The new incumbents' legitimacy was questionable and the calibre of successful candidates varied from classy to catastrophic.
"In America you have this very unseemly tradition of new incumbents in power busily trying to rig every rule in sight to the detriment of their opponents.
Volunteer guards warded off looters, so the new incumbents receive visitors in the same white leather armchairs in rooms of polished lacquer panelling and red carpets.
I know that comparing and contrasting old and new incumbents of jobs like mine is great journalistic sport, but you've been misled on this one.
And people who know the old guard well, such as Marko Nikovic, a former Belgrade police chief, are advising the new incumbents to speed up their efforts to consolidate power.
