Originally Posted by
vicente
The office or position itself (president, senator, governor, emperor, etc.) is not capitalized. It is capitalized as the title of the office holder only when it precedes the person's name..
Donald Trump is the 45th president of the US. In 2016 President Trump won a narrow victory. His closest opponent was former Secretary of State Hillary Clinton. Mrs. Clinton was the secretary of state under President Barrack Obama who served as president for eight years. Prior to being elected president, Obama had been a U.S. senator. In 2008 Senator Obama ran for president and became President Obama.
The mayor of Pittsville has announced the hiring of a new chief of police. Earlier today Mayor John Doe introduced Chief of Police Juan Ruiz to a gathering at City Hall.
Likewise, the term president-elect is not capitalized unless it is used as the title of a person. " John Smith is our new president-elect. Please welcome President-elect Smith"