Noeleen Hayzer,executive secretary of the UN's Economic and Social Commission for Asia and the Pacific (UNESCAP) says climate change remained "the biggest challenge faced by this generation."

VOA: standard.2009.09.01

So how did you settle disputes when they fight and disagree, say, Executive Secretary Rumesfeld, who is a fellow Princetonian both went to Princeton, but he wouldn't be the easiest person to deal with.

在他们争论和出现分歧的时候,你是怎么解决的呢，比如说行政秘书拉姆斯菲尔德长吧,你们俩是普林斯顿的校友,但是他在工作中并非很好对付的人。

普林斯顿公开课 - 国际座谈会课程节选

But now executive secretary of the U.N.Framework Convention on Climate Change Yvo de Boer says any decision taken next month in Copenhagen will instead be "morally binding."

VOA: standard.2009.11.06

President-elect Obama has chosen the chief executive officer of the Chicago schools, Arne Duncan, to become his education secretary.

VOA: special.2009.01.12

U.S.Treasury Secretary Timothy Geithner has been in talks with AIG Chief Executive Edward Liddy to limit the millions of dollars worth of bonuses promised to employees, including some who worked in the financial product unit responsible for bringing the company to the brink of collapse.

VOA: standard.2009.03.15

women making up more than half of the U.S.population while occupying only 17 percent of the seats in U.S Congress, and constituting less than three percent of Fortune 500 company chief executive officers (SPEAKING) Madeleine Albright, who served as Secretary of State during the Clinton administration, pointed to the challenges women still face globally in achieving the same basic rights and dignity as men.

VOA: standard.2010.03.08