<P> The method of selection of the party leader varies from party to party, though often it will involve an election involving all or part of the party membership . In some parties, only current members of the parliamentary party, or particular party office - holders, may vote; in others, such as the British Labour Party, though the entire membership is eligible to vote, some electors may have a much larger share of the vote than others (see also Superdelegate for a similar concept). If only one candidate emerges, he or she is said to have been "elected by acclamation" or "ratified" by the general membership (sometimes the term "anointed" occurs informally or in media discourse). </P> <P> The Prime Minister of the United Kingdom, Theresa May, gained the position on 13 July 2016; she had served as the party leader of the Conservative Party since 13 July 2016 . Jeremy Corbyn is the party leader the Labour Party, serves as the Leader of the Opposition . </P> <P> In the Gilded Age (late 19th century in the United States), the government was known as Bossism . This government entailed powerful political machines, run by so - called "bosses" who awarded political positions to their associates (one example being Tammany Hall which was run by Boss Tweed) This kind of political system is also referred to as a particracy . Party leaders in the United States mostly refer to the President, Vice President and leaders of the Congress in both parties . </P> <P> President Donald Trump, Vice President Mike Pence, Speaker of the United States House of Representatives Paul Ryan, President Pro Tempore of the United States Senate Orrin Hatch, House Majority Leader Kevin McCarthy, House Majority Whip Steve Scalise, Senate Majority Leader Mitch McConnell and Senate Majority Whip John Cornyn are the party leaders of the Republican Party . The Democratic Party is chaired by Tom Perez . Chuck Schumer is the current Senate minority leader. Nancy Pelosi is the House Democratic Leader . 44th President Barack Obama (until January 20, 2017), of the United States, 47th Vice President Joe Biden (until January 20, 2017), Senate Minority Leader Harry Reid (until January 3, 2017), Senate Minority Whip Dick Durbin, House Minority Leader Nancy Pelosi and House Minority Whip Steny Hoyer are the party leaders of the Democratic Party . </P>

Is the president the head of his political party
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