The legislative leader selected by the majority party who helps plan party strategy and confers with other party leaders.
The legislative leader selected by a party as spokesperson for the opposition.
A senator or representative who helps the party leader stay informed about what party members are thinking, rounds up members when important votes are to be taken, and attempts to keep a nose count on how the voting on controversial issues is likely to go.
Presides over the Senate.
President Pro Tempore
The defacto presiding officer of the Senate; usually the most senior member of the majority party.
Speaker of the House
Presides of the House of Representatives; has power to influence committee placements and House calendar for hearing bills.