All People
Ambassador is a representative of the President to other nations.
I believe you are referring to the minimum age requirement to be a representative, senator or president. You must be at least 25 to be a representative, 30 to be a senator, or 35 to become president.
Mitt Romney
Presidents are not appointed- they are elected. A senator or representative can run for president , but if elected president , he must resign any previous office before he takes office as president.
to service
A total of 9 US Presidents were both former US Representatives as well as former Senators. Three were elected Vice Presidents who succeeded to the Presidency, but only one (LBJ) was also elected President. Another (Andrew Johnson, became a Senator afterbeing President.James Garfield (20th President) was simultaneously a US representative, Senator-elect, and President-elect, having being appointed to a vacant US Senate seat in Ohio that he never occupied.Representatives/Senators who became PresidentAndrew Jackson - 7th President (representative and later senator from Tennessee)William H. Harrison - 9th President (representative and senator from Ohio)John Tyler * 10th President (representative and senator from Virginia who was elected Vice President and served 47 months after succeeding William Henry Harrison)Franklin Pierce - 14th President (representative and senator from New Hampshire)James Buchanan - 15th President (representative and senator from Pennsylvania)Andrew Johnson * 17th President (representative from Tennessee, elected to Senate after leaving the White House)John F. Kennedy - 35th President (representative and senator from Massachusetts)Lyndon B Johnson - 36th President (representative and senator from Texas)Richard Nixon - 37th President (representative and senator from California)
John Tyler was a representative to the Confederate Congress after he was President.
of-course who does not know that
It is the House of Representative's duty to charge the president with impeachment. It is also the Senate duty too, but mostly the House of Representative's duty ;)
the house of representative
the speaker of the house of representative.
speaker of the house of representative.