Professional public opinion polling organizations, such as the Gallop Poll, would have on staff positions called Public Opinion Polling Specialists. Another title might be Public Opinion Analysts. They would most likely be supervised by Public Opinion Polling Managers or Supervisors.

gathering public opinion

Modern scientific polling uses sampling to get accurate statistics on public opinion. The sample is of the public is taken to represent the opinion of the larger public. This has become a proven and accurate way of conducting polls from the public.

Gallup

George Gallup is considered the founder of modern polling. He developed innovative techniques for conducting public opinion surveys and founded the American Institute of Public Opinion, which later became the Gallup Organization. Gallup's work revolutionized the field of survey research and made polling a standard tool for measuring public opinion.