Tom Rieger works for Gallup—the polling company—pioneering the study and science of organizational barriers. We discuss how companies are destroyed from the inside out and what to do about it from his latest book Breaking the Fear Barrier.

Geoff Brewer is editorial director at Gallup Press, part of Gallup Research. He’s looked at the difficult problem of managing in times of uncertainty. We examine his findings from his book Decade of Change.