Sean Quinn is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 writer

Writer

A writer is a person who produces literature, such as novels, short stories, plays, screenplays, poetry, or other literary art. Skilled writers are able to use language to portray ideas and images....

 from Clayton, Missouri

Clayton, Missouri

Clayton is an inner-ring suburb of St. Louis and the county seat of St. Louis County, Missouri. The population was 15,939 at the 2010 census. The city was organized in 1877 and is named after Ralph Clayton, who donated the land for the courthouse.-Geography:...

. He was a member of the White House press corps

White House Press Corps

The White House Press Corps is the group of journalists or correspondents usually stationed at the White House in Washington, D.C. to cover the president of the United States, White House events and news briefings. Their offices are located in the West Wing....

 representing the political blog FiveThirtyEight.com

FiveThirtyEight.com

FiveThirtyEight is a polling aggregation website with a blog created by Nate Silver. Sometimes colloquially referred to as 538 dot com or just 538, the website takes its name from the number of electors in the United States electoral college...

.

Prior to becoming a political journalist, Quinn completed his Juris Doctor

Juris Doctor

Juris Doctor is a professional doctorate and first professional graduate degree in law.The degree was first awarded by Harvard University in the United States in the late 19th century and was created as a modern version of the old European doctor of law degree Juris Doctor (see etymology and...

 at the University of Virginia School of Law

University of Virginia School of Law

The University of Virginia School of Law was founded in Charlottesville in 1819 by Thomas Jefferson as one of the original subjects taught at his "academical village," the University of Virginia. The law school maintains an enrollment of approximately 1,100 students in its initial degree program...

 and was a political campaign worker. Democratic

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...

 candidates he worked for include Jon Tester

Jon Tester

Jon Tester is the junior U.S. Senator for Montana, serving since 2007. He is a member of the Democratic Party. He previously served as President of the Montana Senate.-Early life, education, and farming career:...

 and Ciro Rodriguez.

Quinn led FiveThirtyEight.com's On The Road series, covering the battleground states in person during the 2008 US presidential election

United States presidential election, 2008

The United States presidential election of 2008 was the 56th quadrennial presidential election. It was held on November 4, 2008. Democrat Barack Obama, then the junior United States Senator from Illinois, defeated Republican John McCain, the senior U.S. Senator from Arizona. Obama received 365...

. His work provided poignant on the ground observations complementing the statistical analysis of polling data by partner Nate Silver

Nate Silver

Nathaniel Read "Nate" Silver is an American statistician, psephologist, and writer. Silver first gained public recognition for developing PECOTA, a system for forecasting the performance and career development of Major League Baseball players, which he sold to and then managed for Baseball...

.

After the inauguration of President Obama

Barack Obama

Barack Hussein Obama II is the 44th and current President of the United States. He is the first African American to hold the office. Obama previously served as a United States Senator from Illinois, from January 2005 until he resigned following his victory in the 2008 presidential election.Born in...

, Quinn moved to Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

, to be the White House

White House

The White House is the official residence and principal workplace of the president of the United States. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., the house was designed by Irish-born James Hoban, and built between 1792 and 1800 of white-painted Aquia sandstone in the Neoclassical...

correspondent for FiveThirtyEight.com. Quinn was one of the first bloggers to be part of the White House press corps.

In August 2011 Sean went back on the road to liveblog the 2012 primaries.