The chief American delegate to those talks, Assistant Secretary of State Christopher Hill, arrived in Seoul.

六方会谈的美国首席谈判代表，助理国务卿希尔已经抵达首尔。

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The chief U.S. delegate to the nuclear talks, U.S. Assistant Secretary of State Christopher Hill, is scheduled to arrive Tuesday in Seoul to meet with officials here.

美国核谈判首席代表、助理国务卿希尔将于星期二抵达首尔，与韩国官员举行会谈。

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The President was joined in the Situation Room by Chief of Staff Jack Lew, Assistant to the President for Homeland Security John Brennan, Press Secretary Jay Carney, Deputy Chief of Staff Alyssa Mastromonaco, Deputy Assistant to the President for Homeland Security Richard Reed, White House Director of Intergovernmental Affairs David Agnew, Deputy Communications Director Jen Palmieri, and other senior members of the President's team.

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Killion is chief scientist and deputy assistant secretary for research and technology of the U.S. Army.

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Killefer served as assistant secretary for management and chief financial officer of the Treasury Department during the Clinton administration.

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