1. The former director of the National Science Foundation becomes one of the few African Americans chairing a major US company.
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2. Blatter will speak at a news conference on Friday after chairing an emergency session of his executive committee.
3. He made the remarks after chairing the meeting of the National Security Council held at the presidential house.
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4. I was chairing a panel discussion and the Reserve Bank of Australia governor was one of our speakers.
5. Beijing has been chairing talks aimed at getting North Korea to abandon its nuclear programmes.
6. He flew to Hunan for the second time on Friday afternoon shortly after chairing a meeting that morning in Beijing.