Two people don't serve as president at the same time, no matter what state they're from.
It Georgia
Future President James Monroe served in both positions simultaneously.
Virginia
In January 2012 serving the US President Barack Obama is the former First Lady Hillary Clinton as Secretary of State.
Longest serving Secretary of State was Cordell Hull, who held the position for 11 years (1933-1944) in the administration of President Franklin Roosevelt.
James Monroe was serving as the 5th President of the United States when Illinois was admitted into the union in 1818.
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jackson
Governor
He was a California native and served the state as governor and senator.
Ireland has a president as the head of state. Since the 11th of November 2011, currently serving a 7 year term, the president of Ireland has been Michael D. Higgins.
In 2011, the Secretary of State of the United States was Hillary Clinton, serving under President Barack Obama.