Definition of pollster | Bee Dictionary of English

n someone who conducts surveys of public opinion
a pollster conducts public opinion polls

Frank Luntz, the pollster, GOP language maven and public-opinion expert and author of the new What Americans Really Want.
A pollster disputes divorce rates .
Mark Blumenthal has a long, wonky, but worthwhile post examining the relative strategies and quality of Iowa pollsters.

The Redskins Owner Paying Frank Luntz to Spin His Team's Name Can't End Well
Washington Redskins owner Daniel Snyder refused to give up his beloved team's name despite a lawsuit and letters from 10 members of Congress. But now it appears he's bringing in the "pollster"/spin-doctor/Republican Batman Frank Luntz to examine what, exactly, everyone thinks about what everyone else thinks is most racist name in football.
June 11, 2013 - The Atlantic Wire via Yahoo! News
Poll has Markey leading Gomez by 7 points
The latest poll on the special election between Congressman Ed Markey and Republican Gabriel Gomez shows the Malden Democrat leading by seven points heading into a pivotal second debate in Springfield, but suffering from what the pollster described as fallout from the scandals enveloping the White House.
June 10, 2013 - The Patriot Ledger
The Obama Anomaly
Warning: I am going to be a multi-armed pollster. Zogby Analytics has just completed a poll - all taken after the revelation that the National Security Administration has been collecting "meta-data from Americans' telephone calls, Skye conversations, Google searches, and more. Surprisingly, President Barack Obama's overall job approval rating has dipped just two points to 51% and he is bolstered ...
June 9, 2013 - Forbes

John Zogby in Reuters India
At the very least the pollster has to create some kind of sample. However that doesn't reduce the fact that this is an interesting and intriguing project,said Zogby, who runs polling organisation Zogby International. "It's an awful lot of...
Kevin Rudd in Melbourne Herald Sun
I am not particularly interested in what any pollster, past or present, has to say about getting the balance right for working families,Mr Rudd said. "I think the Australian public are sick and tired of Mr Howard's industrial relations...
Joe Klein in The Union Leader
Klein says that "no pollster, indeed no hired political consultant, has ever taken so active a role in determining the style and content of a Presidency" as Pat Caddell did for Jimmy Carter.