U.S. Secretary of State John Kerry shakes hands with Iranian Foreign Minister Mohammad Javad Zarif before a meeting in Geneva Jan. 14, 2015.

Iran’s foreign minister said Monday that he could hold fresh talks with US Secretary of State John Kerry this week on the sidelines of the World Economic Forum in Davos.

“It is possible I will meet Kerry or other ministers from the P5+1 group” of major powers engaged in nuclear talks with Iran, Mohammad Javad Zarif said.

Zarif met Kerry twice last week in Geneva and Paris as the two sides seek to speed up the negotiations to reach a comprehensive agreement on Iran’s nuclear program.

Iranian President Hassan Rowhani is also travelling to the Swiss ski resort to join world leaders at the annual gathering, which opens on Tuesday.

Zarif said he could hold further meetings with his counterparts from the major powers in Germany early next month on the sidelines of the Munich Security Conference.

The negotiating teams from Iran and the six powers wrapped up their latest round of talks in Geneva on Sunday, setting the next round for early February.

The European Union, which is the lead negotiator for the powers, said the talks had been “serious and useful.”

Britain, China, France, Germany, Russia and the United States are seeking a lasting agreement to allay international concerns about Iran’s nuclear ambitions in exchange for relief from crippling Western sanctions.

Following an interim accord agreed in Geneva in November 2013, two deadlines for a final deal have been missed, and a third one is looming on July 1.

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