title of main officer in house of representatives
United States House of Representatives The presiding officer is the Speaker of the House, who is elected by the members thereof and is therefore traditionally the leader of the controlling party. The Speaker and other floor leaders are chosen by the Democratic Caucus or the Republican Conference, depending on whichever party has more voting members. The House meets in the south wing of the United States Capitol.
Committee of the Whole (United States House of Representatives) In the United States House of Representatives, the Committee of the Whole, short for Committee of the Whole House on the State of the Union, is a parliamentary device in which the House of Representatives is considered one large congressional committee. The presiding officer is chosen by the Speaker of the House and is normally a member of the majority party who does not hold the chair of a standing committee.