Maddie Ziegler is an actor, model, and New York Times bestselling author. She is best known for her work with Sia, including the iconic music video "Chandelier." She has also made appearances on television shows such as Pretty Little Liars, Austin & Ally, and as the youngest judge on Fox's So You Think You Can Dance.

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Lenora M. Ziegler, LCSW, is a licensed clinical social worker in private practice in Manalapan, New Jersey, where she specializes in working with teenagers, college students, and the adults who care for them. She is certified in anxiety treatment and dialectical behavior therapy (DBT).

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Joe Zieja is an author with a long history of doing things that have almost nothing to do with writing at all. A graduate of the United States Air Force Academy, he dedicated over a decade of his life to wearing The Uniform. He is also a commercial voice-over artist and a composer of music for video games and commercials.

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Mimi Zieman, MD writes about medical topics to empower people with information and writes creatively to explore the meaning behind experiences we share. In addition to Tap Dancing on Everest, she has written a play, The Post-Roe Monologues, and is a coauthor of the medical guide, Managing Contraception.

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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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Jay Zigmont, PhD, MBA, CFP®, is the founder and CEO of Childfree Wealth®, a life and financial planning firm dedicated to helping childfree and permanently childless people. He and his wife are childfree.

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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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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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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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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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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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