She is expected to be confirmed at the Unesco general conference planned for Oct. 15.
He declined to say whether the conference planned to take any further action against Gonzalez.
Last year's conference, planned for Barcelona, was canceled under the threat of huge street protests.
But the EU's pledging conference planned for November is supposed to spot other gaps in defences too.
More details about the new working group will be offered in a news conference planned for Friday, administration officials said.
She is a vice president and the manager of conference planning in the investment research unit of Citigroup in Manhattan.
Despite widespread national and international interest in the case, there is no press conference planned on the issue Thursday, a police spokesman said.
Mr. Marchionne, normally a dominant presence at car shows because of his bluntness and sarcastic wit, raised eyebrows when he canceled a news conference planned for Tuesday.
Prime Minister Fayyad said that unless those measures went into effect, he might not attend a donors conference planned for Brussels this month.
Kristina Schröder, Germany's federal family minister, has called for a round-table discussion next month, in which the German bishops' conference plans to participate.
