Tom Rieger is a Senior Practice Expert for Gallup, has pioneered the study and science of organizational barriers. Rieger is an expert in applying behavioral economic principles to uncover how complex systems self-destruct — and how to correct those problems. Through this work, he has become a recognized leader in developing methods and frameworks to identify and remove barriers to organizational and societal success. His book Breaking the Fear Barrier was published in 2011 by Gallup Press.