General Tony Zinni (Ret.) was commander in chief of CENTCOM and a special envoy to the Middle East before retiring as a four-star general. He is coauthor, with Tony Koltz, of The Battle for Peace and Leading the Charge.

See Full Bio

Jason Zinoman is a critic and reporter for the New York Times who has written about movies for such publications as Vanity Fair, The Economist, and Slate.

See Full Bio

William Zinsser, a writer, editor, and teacher, is the author of seventeen books, including Writing to Learn, Spring Training, American Places, and Writing About Your Life.

See Full Bio

Dr. Katherine Zinsser is an associate professor of community & prevention research in the Department of Psychology at the University of Illinois at Chicago. She studies classroom interactions, supports, and policies that impact young children's emotional well-being and the well-being of the professionals who care for them.

See Full Bio

Jon Ziomek is a former Chicago newspaper reporter and retired Northwestern University journalism teacher and assistant dean. He has been a freelance writer for more than forty years.

See Full Bio

Dave Zirin is the sports editor for the Nation and the author of several books, most recently Brazil's Dance with the Devil. Named one of UTNE Reader's "Fifty Visionaries Who Are Changing Our World," Zirin is a frequent guest on MSNBC, ESPN, and Democracy Now!

See Full Bio

Lewis H. Ziska is associate professor of environmental health sciences at Columbia University's Mailman School of Public Health. He served for nearly twenty-five years as a scientist at the US Department of Agriculture, resigning in 2019 to protest interference by the Trump administration with his research.

See Full Bio

Ian Ziskin, president, EXec EXcel Group LLC, has forty years of experience as a business leader, board advisor and member, coach, consultant, entrepreneur, teacher, speaker, and author. Ian has written articles, blogs, and chapters on the future of work, HR, leadership, coaching, and HR's role with the board of directors.

See Full Bio

Rainer Zitelmann (1957) studied history and political science and graduated with distinction. Zitelmann has written and edited a total of twenty-eight books, which have achieved substantial success in more than thirty languages around the world.

See Full Bio

Slavoj Žižek is one of the most prolific and well-known philosophers and cultural theorists in the world today. His inventive, provocative body of work mixes Hegelian metaphysics, Lacanian psychoanalysis, and Marxist dialectic in order to challenge conventional wisdom and accepted verities on both the left and the right.

See Full Bio

Tom Zoellner is the author or coauthor of nine nonfiction books, the politics editor of the Los Angeles Review of Books, an associate professor of English at Chapman University, and a visiting professor of English at Dartmouth College. His writing has appeared in the Atlantic, Harper's, the New York Times, and elsewhere.

See Full Bio

John Zogby is president and CEO of Zogby International and one of the foremost pollsters in America today. His clients include Reuters News Agency, NBC News, and the New York Post, and his opinion pieces have been published in the New York Times and the Wall Street Journal.

See Full Bio