Memory fitness and brain health expert CYNTHIA R. GREEN is president of Memory Arts, LLC, which provides memory fitness and brain health training to organizations and individuals. She has appeared onGood Morning America, 20/20, Fox News, and NPR's Talk of the Nation and is a regular contributor to the Huffington Post.

MICHAEL SWEENEY, a graduate of the University of Nebraska-Lincoln, received his Ph.D. in Journalism from Ohio University's E.W. Scripps School of Journalism and his Master's in Journalism at the University of North Texas. He reported for nationalgeographic.com on Dr. Robert Ballard's Titanic expedition. Sweeney's numerous books include Brainworks, The Ultimate Survival Book,Peace: The Biography of a SymbolGod Grew Tired of Us, and Mind: The Complete Brain.