From 2001 to 2008 she rose from assistant to the director to her current role as senior director of marketing.

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He is Special Assistant to the President and Senior Director for Defense Policy and Strategy.

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Samantha Power is the Special Assistant to the President and Senior Director for Multilateral Affairs and Human Rights at the National Security Council.

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Frank Mora, Deputy Assistant Secretary of Defense for Western Hemisphere Affairs and most importantly Dan Restrepo, Special Assistant to the President and Senior Director for Western Hemisphere Affairs at The National Security Council.

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His appointment further strengthens a superb team that includes Puneet Talwar, Special Assistant to the President and Senior Director for the Gulf States, Iran and Iraq, and Prem Kumar, Acting Senior Director for the Middle East and North Africa.

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He will have a portfolio as a special assistant to the President and be senior director for the central region that largely extends -- encompasses the Middle East, the Gulf, Afghanistan, Pakistan, and South Asia.

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Liz Sherwood-Randall is Special Assistant to the President for National Security Affairs and Senior Director for European Affairs on the National Security Staff.

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The findings add to growing evidence that calorie restriction can benefit health and longevity, but this shouldn't prompt already skinny seniors to start dieting, said Carol Greenwood, a senior scientist and assistant director of the Kunin-Lunenfeld Applied Research Unit at Baycrest, a Toronto academic medical center focused on aging.

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