Donald L. Zygutis, a graduate of Corban University, has forty years of experience investigating and analyzing the life and work of Carl Sagan as a leading skeptic and ETI theorist. Donald resides in Bend, Oregon.

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Mark Zwonitzer is a writer and director whose work appears nationally on public television. He is currently finishing up work on a documentary about the creation of the transcontinental railroad and hopes to begin working on a documentary about the Carter Family soon. He lives in Connecticut.

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Matt Zwolinski is professor of philosophy at the University of San Diego and director of USD's Center for Ethics, Economics, and Public Policy. His research focuses on the intersection of philosophy, law, and economics, with a special interest in issues of exploitation, basic income, and libertarian political theory.

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David Zweig cofounded Salon.com and currently consults on improving the performance of executive groups.

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Jason Zweig became a personal finance columnist for the Wall Street Journal in 2008. He was a senior writer for Money and a guest columnist for Time and Cnn.com. He is the author of Your Money and Your Brain, one of the first books to explore the neuroscience of investing.

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Chitralekha Zutshi is Class of 1962 Professor of History at William & Mary. She is the author of multiple books, including Kashmir's Contested Pasts, which received Honorable Mention for the Ananda Kentish Coomaraswamy Book Prize. She lives in Williamsburg, Virginia.

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Perry Zurn is assistant professor of philosophy at American University, where he is codirector of the Curiosity, Mindfulness, and Education Lab.

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Mary Kay Zuravleff is the award-winning author of American Ending, a gritty and darkly humorous novel inspired by her family's saga. She is also the author of Man Alive!, a Washington Post Notable Book, as well as The Bowl Is Already Broken and The Frequency of Souls. She lives in Washington, DC.

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Corinne Zupko, EdS, LPC, has coached, counseled, and educated thousands of individuals at national conferences, in the classroom, in workshops, and in the therapy chair. She cohosts the largest virtual conference of ACIM in the world through the organization Miracle Share International, which she cofounded.

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Derek S. Zumbro, a former Navy Special Warfare (SEAL) officer, is a respected translator of German-language sources whose translation of Gottlob Bidermann's In Deadly Combat: A German Soldier's Memoir of the Eastern Front was a main selection of the History Book Club.

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Allan Zullo is the versatile, bestselling author or coauthor of more than 120 nonfiction books on a broad range of subjects for general audiences and younger listeners.

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Marlene Zuk is Professor in the Department of Ecology, Evolution, and Behavior at the University of Minnesota Twin Cities. She has researched sexual selection for more than twenty-five years. In addition to authoring many scholarly articles, Zuk has written four books for general readers, including Sexual Selections.

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