What are the qualifications to serve as President?

The requirements vary with the different presidencies. You need to specify what country, college or organization your are interested in.

For the President of the United States ,

1. You must be 35 years old or older
2. You must be born a US citizen
3. You must have been a permanent resident for at least 14 years.

and you must be legally elected or legally succeed to a vacancy in the office of president.