Andrew Zimmerman has held senior executive roles at leading technology companies such as Accenture, idealab, and PwC. He is the author of Journey, an exploration of how to be spiritually authentic and a success in the material world. He resides in New York City.

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Kent Zimmerman is one half of a twin-brother writing team. He and his brother, Keith Zimmerman, have coauthored or contributed to over sixteen books, including Hell's Angel with Ralph "Sonny" Barger and Rotten with John Lydon.

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Keith Zimmerman is one half of a twin-brother writing team. He and his brother, Kent Zimmerman, have coauthored or contributed to over sixteen books, including Hell's Angel with Ralph "Sonny" Barger and Rotten with John Lydon.

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Paul Zimmerman, known to generations of readers as "Dr. Z," was a sports writer for five decades, including nearly thirty years at Sports Illustrated, before being stricken by a series of strokes in 2008. His 1970 book The Thinking Man's Guide to Pro Football is regarded as an essential read for serious football fans.

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Jess Zimmerman is the editor-in-chief of Electric Literature. Her writing has been published in the Guardian, the New Republic, the Washington Post, Hazlitt, Vice, and Eater.

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As a professional climber, Graham Zimmerman is one of the most acclaimed alpinists of his generation. After graduating in 2007 with a degree in geography, he focused on alpinism, a pursuit that has taken him on expeditions all over the world. He lives in Bend, Oregon, with his wife and their dog.

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Zach Zimmerman is a writer and stand-up comedian who has appeared in the New Yorker, the Washington Post, and elsewhere. Zach was named a TimeOut NY Comic to Watch, and Zach's album Clean Comedy debuted on the Billboard Top 10. He lives in Brooklyn. Visit Zach online at zach-zimmerman.com or @zzdoublezz on social media.

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Kristen Zimmer is a New Jersey–based freelance writer and editor. A member of the International Women's Writing Guild, she holds a BA in English with a concentration in creative writing from Montclair State University. Visit Kristen at authorkristenzimmer.com.

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Carl Zimmer is a columnist for the New York Times, where he has contributed articles since 2004. His writing has earned a number of awards, including the Stephen Jay Gould Prize. He is also professor adjunct of biophysics and biochemistry and a lecturer in English at Yale University. He lives in Guilford, Connecticut.

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Philip Zimbardo, a professor emeritus at Stanford University and past president of the American Psychological Association, designed and narrated the award-winning PBS series Discovering Psychology. He has written more than fifty books, including the New York Times bestseller The Lucifer Effect, and lives in San Francisco.

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Jay Zigmont, PhD, MBA, CFP, is the author of The Childfree Guide to Life and Money: Make Your Finances Simple So Your Life Without Kids Can Be Amazing.

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Pat Zigarmi is a Senior Consulting Partner for The Ken Blanchard Companies, a captivating motivational speaker, a highly regarded management consultant and trainer, a best-selling author, and an experienced businesswoman.

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