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Mark Blumenthal
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Mark Blumenthal is the senior polling editor of the Huffington Post and the founding editor of Pollster.com.

The Huffington Post acquired Pollster.com in July 2010, but HuffPost Pollster’s mission remains the same: To publish and aggregate poll results in uniquely interactive charts and to provide daily running commentary and analysis that explains, demystifies and critiques political polling.

From 2006 to 2010, Pollster.com attracted over 28 millions visits and over 90 million page views. Time named Pollster.com one of the 50 Best Websites for 2009, a list that also included Google, YouTube, Facebook and Twitter. Pollster.com was partly an outgrowth of Blumenthal's Mystery Pollster blog, which he started in September 2004.

In May of 2007, along with Pollster.com co-creator Charles Franklin, Blumenthal received the Warren J. Mitofsky Innovators Award for Pollster.com from the American Association for Public Opinion Research. In 2005, the National Council on Public Polls awarded Blumenthal and the MysteryPollster blog a special citation for its work explaining polls to the Internet reader.

From 2008 to 2010, Blumenthal served as polling analyst for The National Journal, were he wrote a weekly column for NationalJournal.com

Blumenthal worked in the political polling business for more than 20 years, conducting and analyzing political polls and focus groups for Democratic candidates and market research surveys for major corporations. His experience includes work with pollsters Harrison Hickman, Paul Maslin, Kirk Brown, Celinda Lake, Stan Greenberg and 15 years with his former partners David Petts and Anna Bennett in the firm formerly known as Bennett, Petts and Blumenthal (BPB). In January of 2007, he left BPB to devote full time to Pollster.com.

His academic background includes a Political Science degree from the University of Michigan and course work towards a Masters degree at the Joint Program in Survey Methodology (JPSM) at the University of Maryland. He has also served as a guest lecturer at the Communications School at American University and at training seminars sponsored by EMILY's List, the Democratic National Committee and the National Democratic Institute for International Affairs. He served as Communications Chair of the American Association for Public Opinion Research (AAPOR) from 2007 to 2008.

Entries by Mark Blumenthal

HUFFPOLLSTER: Most Want Congress To Fix Potential Obamacare Gap

(0) Comments | Posted January 28, 2015 | 8:12 AM

Should the Supreme Court strike down ACA subsidies in federal marketplaces, most would have Congress act to restore them. Current polls are likely overstating Hillary Clinton's eventual general election performance. And house effects in 2014 polls were more complicated than you might guess. This is HuffPollster for Wednesday, January 28,...

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HUFFPOLLSTER: Gallup's Obama Approval Rating Hits 50 Percent

(4) Comments | Posted January 27, 2015 | 8:16 AM

Obama approval hits a milestone on Gallup's daily tracking. Open-ended questions show two very different nomination contests brewing. And the nation is bitterly divided by those who think the Patriots cheated and those who don't care. This is HuffPollster for Tuesday, January 27, 2015.

GALLUP: OBAMA APPROVAL HITS 50 PERCENT...

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HUFFPOLLSTER: What 2016 Polling Tells Us, And What It Doesn't

(7) Comments | Posted January 26, 2015 | 8:00 AM

Early general election trial heats tell us little, but pollsters have other questions to ask. Chris Christie's negatives are higher than those of past nominees. And what's the point of the margin of error, anyway? This is HuffPollster for Monday, January 26, 2015.

GENERAL ELECTION 2016 POLLS DON'T PREDICT MUCH,...

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HUFFPOLLSTER: What Does Obama's Approval Rating Mean For 2016?

(4) Comments | Posted January 23, 2015 | 8:11 AM

Americans expect Obama to accomplish less in the next two years, but his ratings are rising anyway. And historical precedents points to a close race in 2016. This is HuffPollster for Friday, January 23, 2015.

WHAT RISING OBAMA APPROVAL MEANS FOR 2016? - Nate Cohn: "After a difficult year, President...

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HUFFPOLLSTER: Americans Can't Agree On Whether Congress Should Compromise

(0) Comments | Posted January 22, 2015 | 8:36 AM

Democrats want compromise more than Republicans. Independents are most likely to up their rating of President Obama in an improving economy. And Americans are less tired of Hillary Clinton than Mitt Romney. This is HuffPollster for Thursday, January 22, 2015.

DEMOCRATS MORE LIKELY TO WANT COMPROMISE - Ned Resnikoff: "Democratic...

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HUFFPOLLSTER: SOTU Watchers Give Speech Typically Positive Rating

(0) Comments | Posted January 21, 2015 | 8:43 AM

State of the Union watchers think Obama's speech was better than last year's. Few Americans tuned in but those that did were active on social media. And the margin of error is overrated. This is HuffPollster for Wednesday, January 21, 2015.

STATE OF THE UNION WATCHERS GAVE IT A POSITIVE...

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HUFFPOLLSTER: More Polls Show Obama's Approval Rating Recovering

(40) Comments | Posted January 20, 2015 | 7:49 AM

Two new national polls confirm that President Obama's approval rating is rising. Among Republicans, Mitt Romney has a higher favorable rating than Jeb Bush. And 2014 was a rocky year for race relations. This is HuffPollster for Tuesday, January 20, 2015.

NATIONAL POLLS FINDS OBAMA'S APPROVAL TICKING UP - Mark...

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HUFFPOLLSTER: Americans Are Growing Less Concerned About The Economy

(3) Comments | Posted January 16, 2015 | 7:57 AM

Americans are less likely to rate economic concerns as important and more likely to express satisfaction with the way things are going in their personal lives. American opinions on torture have shifted since 9/11. And most people think Congress is great at representing the wealthy.This is HuffPollster for Thursday, January...

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HUFFPOLLSTER: Obama's Approval Is Up, But By How Much?

(23) Comments | Posted January 15, 2015 | 7:49 AM

New national polls released on Wednesday confirm a rise in President Obama's approval rating. Republicans lose their post-election advantage as the party Americans prefer to set the agenda. And many blame a double standard for hurting women in business. This is HuffPollster for Thursday, January 15, 2015.

OBAMA'S APPROVAL REBOUNDS...

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HUFFPOLLSTER: Congress' Approval Rating Remains Dismal

(9) Comments | Posted January 14, 2015 | 7:56 AM

Despite a change in leadership, Americans are still down on Congress. Mitt Romney faces a significant hurdle in challenging Jeb Bush from the right. And Americans are often disappointed by their expectations for future scientific progress. This is HuffPollster for Wednesday, January 14, 2015.

NO LIFT IN RATINGS OF CONGRESS...

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HUFFPOLLSTER: American Worries About Terrorism Remain Largely Unchanged

(1) Comments | Posted January 13, 2015 | 7:54 AM

The attacks in Paris reinforce Americans' existing attitudes about terrorism. Even Americans who don't favor mocking religion support the right to do it. And cable news may affect vote choice most among those who don't vote. This is HuffPollster for Tuesday, January 13, 2015.

LITTLE CHANGE IN TERROR WORRIES -...

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HUFFPOLLSTER: What Focus Groups Tell Us (Or Don't) About The Invisible Primary

(2) Comments | Posted January 12, 2015 | 8:07 AM

The 2016 'invisible primary' is officially underway...but with new polling scarce, a single focus group attracts weekend chatter. This is HuffPollster for Monday, January 12, 2015.

FOCUS GROUP WEARY OF DYNASTIES - Dan Balz: "A dozen Denver-area residents spent two hours dissecting the state of the country and its politics....

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HUFFPOLLSTER: Voter Turnout Linked To Financial Stability

(5) Comments | Posted January 9, 2015 | 7:51 AM

America's income divides translate into differences in voter participation. The Republican Party consolidates its strength in Congress. And California gets in on the 2016 speculation. This is HuffPollster for Friday, January 9, 2015.

LEAST FINANCIALLY SECURE HAVE LOWEST VOTER TURNOUT - HuffPollster: "America's most economically vulnerable are also the least...

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HUFFPOLLSTER: Record Number Of Political Independents Doesn't Mean Less Partisanship

(9) Comments | Posted January 8, 2015 | 7:59 AM

Independent party identification continues to rise, but that doesn't mean less partisan voting. Views of Muslims are more favorable in France than other nations. And Pew Research ups its quota for cell phones to nearly two thirds of its poll samples. This is HuffPollster for Thursday, January 8, 2015.

NUMBER...

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HUFFPOLLSTER: Low Expectations For New Congress

(7) Comments | Posted January 7, 2015 | 8:01 AM

Few Americans expect the new Congress to get more done than the last. Fewer American Jews identify as Democrats than in 2008. And we remember Phil Converse and Thom Riehle. This is HuffPollster for Wednesday, January 7, 2015.

AMERICANS UNWOWED BY PROSPECTS OF NEW CONGRESS Jeremy Diamond: "he Republican Senate...

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HUFFPOLLSTER: The New Congress Is Still Overwhelmingly Christian

(21) Comments | Posted January 6, 2015 | 8:11 AM

The new Congress has the same religious composition as the old one. Few blame President Obama or Mayor de Blasio for the New York City police murders. And Americans just want to be loved. Is that so wrong? This is HuffPollster for Tuesday, January 6, 2015.

NEW CONGRESS REMAINS OVERWHELMINGLY...

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HUFFPOLLSTER: More Now Say Afghanistan War Was Worth Fighting

(9) Comments | Posted January 5, 2015 | 8:24 AM

Support for the Afghanistan war is up since late 2013. Obama gets a holiday bump. And while the economy is seen as improving, financial difficulties continue for money. This is HuffPollster for Monday, January 5, 2015.

SUPPORT REBOUNDS FOR AFGHANISTAN WAR - Scott Clement: "After falling to record lows, support...

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HUFFPOLLSTER: With Economy Improving, President Obama Gets A Holiday Ratings Boost

(174) Comments | Posted December 24, 2014 | 8:56 AM

Americans give President Obama a ratings boost for the holidays -- and we're giving all the Christmas polling you could want. This is HuffPollster for Wednesday, December 24, 2014.

END OF YEAR BUMP IN VIEWS OF ECONOMY, OBAMA - Kevin Liptak: "Improving views of the economy have helped hike President...

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HUFFPOLLSTER: Most Approve Of Reestablishing Relations With Cuba

(2) Comments | Posted December 23, 2014 | 8:26 AM

Americans approve of the possibility for warming relations with Cuba. Back home, few expect the new Congress to change anything. And most Americans think Sony overreacted by canceling The Interview. This is HuffPollster for Tuesday, December 23, 2014.

CBS: SUPPORT FOR NORMALIZING CUBA RELATIONS - Sarah Dutton, Jennifer De Pinto,...

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HUFFPOLLSTER: Remembering Mike Mokrzycki

(0) Comments | Posted December 22, 2014 | 8:38 AM

Americans' worries about race relations increase dramatically. Hillary Clinton's huge primary lead dips slightly. And we remember pollster and journalist Mike Mokrzycki. This is HuffPollster for Monday, December 22, 2014.

REMEMBERING MIKE MOKRZYCKI - On Friday evening, political polling lost a gentle giant, and HuffPollster lost a dear friend. Michael...

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