Factbox: Contenders for key jobs in Trump's administration

(Reuters) - U.S. President-elect Donald Trump held meetings in New York on Monday as he worked to fill administration positions ahead of his inauguration on Jan. 20. Below are people mentioned as contenders for senior roles. See end of list for posts already filled. TREASURY SECRETARY * Steven Mnuchin, former Goldman Sachs Group Inc executive and Trump's campaign finance chairman * Jeb Hensarling, U.S. ...