Robby Riggs is a corporate consultant specializing in strategic transformation initiatives and driving successful change in companies ranging from start-ups to Fortune 100s.

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Senior Fellow at the Aspen Institute, John A. Riggs was at the center of energy policymaking in Washington, DC, for more than thirty years. He has a BA in history from Swarthmore College and a master's in public policy from the Woodrow Wilson School at Princeton University. John is the author of High Tension.

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Bryan Mark Rigg, PhD, is the author of many works on World War II and the Holocaust, including Hitler's Jewish Soldiers, Rescued from the Reich, Lives of Hitler's Jewish Soldiers, The Rabbi Saved by Hitler's Soldiers, Flamethrower, and Conquering Learning Disabilities at Any Age

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Robert Paris Riger (1961–2018) was a longtime publisher and author. He was most recently VP and Director of Pimsleur Language Programs at Simon & Schuster. Robert was fluent in several languages, including German and French, and experienced publishing's digital transition on the frontlines with Spark Notes and Pimsleur.

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David Rigby is a historian and the author of Allied Master Strategists, which was awarded the 2012 John Lyman Book Prize in U.S. Naval History, and No Substitute for Victory. He lives in Acton, Massachusetts.

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Jeremy Rifkin, one of the most popular social thinkers of our time, is the bestselling author of The Empathic Civilization and The Age of Access. An adviser to the European Union and to heads of state around the world, his work has been translated into more than thirty-five languages.

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Jana Riess is a senior columnist for Religion News Service and the author or coauthor of many books, including Mormonism and American Politics, Flunking Sainthood, and The Prayer Wheel: Rediscovering Prayer with an Ancient Spiritual Practice. She has a PhD in American religious history from Columbia University.

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Debra Rienstra is professor of English at Calvin University and the author of three books as well as numerous academic essays, literary essays, and poems. She writes biweekly about spirituality, pop culture, the church, the arts, higher education, and more for the Reformed Journal blog called "The Twelve."

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Kevin P. Riehle is lecturer in intelligence and security studies at Brunel University London. He also spent over thirty years in the US government as a counterintelligence analyst. He is the author of two books including Soviet Defectors: Revelations of Renegade Intelligence Officers, 1924-1954.

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Stephen J. Riegel is a practicing litigator and former federal prosecutor in New York City who appears in some of the same courts Crater did. He also has degrees in American history from Princeton University and Stanford University. He has published articles on legal history.

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Gonzalo Riedel is a writer and editor. He lives in Winnipeg with his two children.

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