She is expected to continue the centrist policies of her predecessor, Oscar Arias, and increase efforts to fight crime.
More support for nuclear power (nearly emissions-free, but controversial) could bring back a few centrist Republicans.
Rousseff, who, like Lula, is popularly called by one name (Dilma), took 56% of the vote in Sunday's runoff election, easily beating her more centrist rival Jose Serra, who got 44%.
What is more, some say their centrist role is overstated.
A centrist Conservative MP makes a matching observation about the youthful circle around Mr Cameron.
You see, admitting that one side is willing to make concessions, while the other isn't, would tarnish one's centrist credentials.
That marks an important victory for the centrist government of Alan García—one that may be noticed across a region whose educational standards lag those of many Asian countries.
The notion of the president as a centrist reformer may look fairly unlikely.
He said he would take a tougher stand against Hamas than the ruling centrist Kadima party has done.
On the face of it, the centrist Mr Bayrou is more promising. His pledge to curb the public debt is more credible than Ms Royal's and even Mr Sarkozy's.
But the goal is worthy, one that any centrist can endorse.
Her centrist position will be put to the test in new elections that analysts say will be tough for her party to win.
Most centrist politicians are opportunists rather than policy innovators. The party's leading think-tanks are all on the right.
OLLANTA HUMALA won Peru's presidential election earlier this month by recasting himself as a centrist.
It was all a ruse, they say, to make it sound to centrist voters that he could be trusted with America's security even as he milked the anti-Iraq war movement for every vote and dollar he could get.
And it seems a strange way to combat the threat from the centrist Mr Bayrou.
The centrist, but deceptively named, Unified Marxist-Leninist party joined the government but always seemed in a hurry to leave-it may now lead the new administration.
Oh, and let me give a special shout-out to “centrist” pundits who won't admit that President Obama has already given them what they want.