This depends on the country/organization. See related questions.
US: Theodore (Teddy) Roosevelt.
Theodore Roosevelt was the 26th President of the United States from 1901 September 14 to 1909 March 4. He would later break with the Republican party after the renomination of Taft, forming the Progressive (Bull Moose) Party, and unsuccessfully running for president a third time.
Installation Ceremonies of President Butler - 1902 was released on: USA: April 1902
Prince Henry and President's Party - 1902 was released on: USA: March 1902
The first president to ride in an automobile was President Theodore Roosevelt. The president's first ride was on August 22, 1902.
The cast of Biograph Snapshots at the President - 1902 includes: Theodore Roosevelt as himself
The cast of President and Prince at Washington - 1902 includes: Theodore Roosevelt as himself
Arrival of Prince Henry - of Prussia and President Roosevelt at Shooter's Island 1902 was released on: USA: 15 March 1902
The cast of Installation Ceremonies of President Butler - 1902 includes: Nicholas Murray Butler as himself
Wilson was president of Princeton from 1902 to 1910.
The cast of President Roosevelt Reviewing the Troops at Charleston Exposition - 1902 includes: Theodore Roosevelt as himself
Dr. Woodrow Wilson was the President of Princeton University from 1902 until 1910.
Woodrow Wilson was a college teacher and then became the president of Princeton University in 1902.
President Teddy Roosevelt, beginning in 1902. Due to the assassination of President McKinley, Congress asked the Secret Service to guard the President.