Donald Trump speaks in Nashua in April, 2015Businessman. real estate developer, and TV personality Donald Trump has flirted with running for president numerous times in recent years, though he has never launched a formal campaign until this year.Trump earned his fortune in New York City real estate and gained fame through his television show The Apprentice. He has never held or run for political office. He is likely the only presidential candidate to have been inducted into the World Wrestling Entertainment (WWE) Hall of Fame.Trump declared his candidacy for the Republican presidential nomination on June 16, 2015.