The party leadership of the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

refers to the officials elected by the Senate Democratic Caucus and the Senate Republican Conference to manage the affairs of each party in the Senate. Each party is led by a floor leader who directs the legislative agenda of his caucus in the Senate, and who is augmented by an Assistant Leader or Whip

Whip (politics)

A whip is an official in a political party whose primary purpose is to ensure party discipline in a legislature. Whips are a party's "enforcers", who typically offer inducements and threaten punishments for party members to ensure that they vote according to the official party policy...

, and several other officials who work together to manage the floor schedule of legislation, enforce party discipline; oversee efforts to elect new Senators, and maintain party unity.

The titular, non-partisan leaders of the Senate itself are the Vice President of the United States

Vice President of the United States

The Vice President of the United States is the holder of a public office created by the United States Constitution. The Vice President, together with the President of the United States, is indirectly elected by the people, through the Electoral College, to a four-year term...

, who serves as President of the Senate, and the President pro tempore

President pro tempore

A President pro tempore is a constitutionally recognized officer of a legislative body who presides over the chamber in the absence of the normal presiding officer...

, the seniormost member of the majority, who theoretically presides in the absence of the Vice President.

Unlike committee chairmanships, leadership positions are not traditionally conferred on the basis of seniority, but are elected in closed-door caucuses.

Democratic leadership in the United States Senate

Since January 3, 2007, the Democratic Party

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 has constituted a majority in the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

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Position	Name	State	Notes
Floor Leader Floor Leader Floor Leaders are leaders of their political parties in each of the houses of the legislature.- Senate :In the United States Senate, they are elected by their respective party conferences to serve as the chief Senate spokesmen for their parties and to manage and schedule the legislative and...	Harry Reid Harry Reid Harry Mason Reid is the senior United States Senator from Nevada, serving since 1987. A member of the Democratic Party, he has been the Senate Majority Leader since January 2007, having previously served as Minority Leader and Minority and Majority Whip.Previously, Reid was a member of the U.S...	Nevada Nevada Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...	The Senate Majority Leader, who serves as leader of the Senate Democratic Conference and manages the legislative business of the Senate
Assistant Floor Leader	Dick Durbin	Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	The Senate Majority Whip, who manages votes, communicates with individual senators and ensures passage of bills relevant to the agenda and policy goals of the Senate Democratic Conference
Vice Chairperson of the Democratic Caucus	Chuck Schumer	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	Position created for Schumer after successful tenure as DSCC chairman
Senate Democratic Conference Secretary	Patty Murray Patty Murray Patricia Lynn "Patty" Murray is the senior United States Senator from Washington and a member of the Democratic Party. Murray was first elected to the Senate in 1992, becoming Washington's first female senator...	Washington	Responsible for managing the policy agenda for the Senate Democratic Conference
Chairperson of the Democratic Senatorial Campaign Committee	Patty Murray Patty Murray Patricia Lynn "Patty" Murray is the senior United States Senator from Washington and a member of the Democratic Party. Murray was first elected to the Senate in 1992, becoming Washington's first female senator...	Washington	Responsible for overseeing efforts to elect Democrats to the Senate
Chairperson of the Democratic Policy Committee	Debbie Stabenow Debbie Stabenow Deborah Ann Greer "Debbie" Stabenow is the junior United States Senator from Michigan and a member of the Democratic Party. Before her election to the U.S. Senate, she was a member of the United States House of Representatives, representing Michigan's 8th congressional district from 1997 to 2001...	Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....	Responsible for Senate Democrats' messaging and political strategy efforts
Chairperson of the Steering and Outreach Committee	Mark Begich Mark Begich Mark Peter Begich is the junior United States Senator from Alaska and a member of the Democratic Party. A former mayor of Anchorage, he served on the Anchorage Assembly for almost ten years prior to being elected mayor in 2003...	Alaska Alaska Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...	Responsible for fostering relations between Senate Democrats and community leaders and interest groups
Chairperson of Committee Outreach	Jeff Bingaman Jeff Bingaman Jesse Francis "Jeff" Bingaman, Jr. , is the senior U.S. Senator from New Mexico and a member of the Democratic Party...	New Mexico New Mexico New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...	Responsible for relations between Senate committees and the Senate Democratic Conference
Chief Deputy Whip	Barbara Boxer Barbara Boxer Barbara Levy Boxer is the junior United States Senator from California . A member of the Democratic Party, she previously served in the U.S. House of Representatives ....	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	Assists the Whip in managing Democratic votes and communicating leadership strategy with Senate Democrats
President of the Senate Vice President of the United States The Vice President of the United States is the holder of a public office created by the United States Constitution. The Vice President, together with the President of the United States, is indirectly elected by the people, through the Electoral College, to a four-year term...	Joe Biden Joe Biden Joseph Robinette "Joe" Biden, Jr. is the 47th and current Vice President of the United States, serving under President Barack Obama...	(Delaware Delaware Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania... )	Not a Senator; see Vice President of the United States Vice President of the United States The Vice President of the United States is the holder of a public office created by the United States Constitution. The Vice President, together with the President of the United States, is indirectly elected by the people, through the Electoral College, to a four-year term...
President pro tempore of the Senate	Daniel Inouye Daniel Inouye Daniel Ken "Dan" Inouye is the senior United States Senator from Hawaii, a member of the Democratic Party, and the President pro tempore of the United States Senate making him the highest-ranking Asian American politician in American history. Inouye is the chairman of the United States Senate...	Hawaii Hawaii Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...	The longest-serving Democratic senator, not formally part of Democratic leadership

Republican leadership

Since January 3, 2007, the Republican Party

Republican Party (United States)

The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

 has constituted a minority in the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

.

Position	Name	State	Notes
Floor Leader Floor Leader Floor Leaders are leaders of their political parties in each of the houses of the legislature.- Senate :In the United States Senate, they are elected by their respective party conferences to serve as the chief Senate spokesmen for their parties and to manage and schedule the legislative and...	Mitch McConnell Mitch McConnell Addison Mitchell "Mitch" McConnell, Jr. is the senior United States Senator from Kentucky and the Republican Minority Leader.- Early life, education, and military service :...	Kentucky Kentucky The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...	Senate Minority Leader
Assistant Floor Leader	Jon Kyl Jon Kyl Jon Llewellyn Kyl is the junior U.S. Senator from Arizona and the Senate Minority Whip, the second-highest position in the Republican Senate leadership. In 2010 he was recognized by Time magazine as one of the 100 most influential people in the world for his persuasive role in the Senate.The son...	Arizona Arizona Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...	Senate Minority Whip
Republican Conference Chair Republican Conference Chair Republican Conference Chair may refer either to the United States Senate Republican Conference Chair, a position in the Republican party leadership of the United States Senate, or its House analogue, the Republican Conference Chairman of the United States House of Representatives....	Lamar Alexander Lamar Alexander Andrew Lamar Alexander is the senior United States Senator from Tennessee and Conference Chair of the Republican Party. He was previously the 45th Governor of Tennessee from 1979 to 1987, United States Secretary of Education from 1991 to 1993 under President George H. W...	Tennessee Tennessee Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
Republican Policy Committee Chairperson	John Thune John Thune John Randolph Thune is the junior U.S. Senator from South Dakota and a member of the Republican Party. He previously served as a U.S. Representative for .-Early Life, Education:...	South Dakota South Dakota South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...
Chairperson of the National Republican Senatorial Committee	John Cornyn John Cornyn John Cornyn, III is the junior United States Senator for Texas, serving since 2003. He is a member of the Republican Party. He was elected Chairman of the National Republican Senatorial Committee for the 111th U.S. Congress....	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	Responsible for overseeing efforts to elect Republicans to the Senate
Vice Chair of the Senate Republican Conference	John Barrasso John Barrasso John Anthony Barrasso is the junior U.S. Senator from Wyoming and a member of the Republican Party. He was appointed to the Senate following Craig L. Thomas's death and won a special election in 2008 to fill the remaining four years of Thomas's term....	Wyoming Wyoming Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High...