Russell A. Barkley, PhD, a leading scientific authority on ADHD, is a clinical professor of psychiatry and pediatrics at the Medical University of South Carolina in Charleston. He is a recipient of awards from the American Academy of Pediatrics and the American Psychological Association, among other honors.

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Phillip Barlag is an executive director at World 50. He is the author of The Leadership Genius of Julius Caesar: Modern Lessons from the Man Who Built an Empire, and his writing has been published in a variety of publications and blogs, including Fast Company and MIT Sloan Management Review.

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John R. Barletta served his country as a member of the U.S. Army 7th Cavalry Division before joining the Secret Service in 1974. In 1987 he was assigned to the Western Protective Division. When the Reagans left the White House, he was transferred to the Reagan Protective Division as the assistant special agent in charge.

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Toby Barlow is executive creative director at the advertising agency JWT in Detroit and a contributor to the literary magazine n+1 and the Huffington Post. He is also the author of Sharp Teeth.

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Award-winning author and journalist Julie Barlow is a regular contributor to the Montreal public affairs magazine L'actualité. Her writing has appeared in magazines and newspapers in the U.S., Canada, and Europe, including the New York Times, USA Today, Toronto Star, and the International Herald Tribune.

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Brennan Barnard is the director of college counseling at the Derryfield School and US Performance Academy. He also serves as the college admission program manager for the Harvard Graduate School of Education's Making Caring Common Project.

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G. William Barnard is a professor of religious studies at Southern Methodist University. He is the author of Exploring Unseen Worlds: William James and the Philosophy of Mysticism and Living Consciousness: The Metaphysical Vision of Henri Bergson, as well as coeditor of Crossing Boundaries.

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Sara Barnard is the author of Fragile Like Us; A Quiet Kind of Thunder; Goodbye, Perfect; and Destination Anywhere. She lives in Brighton, England, with her husband and their grumpy cat. She studied American literature with creative writing at university and never stopped reading YA.

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Garth Barnard's interest in aviation stems from a lifelong passion and unshakable resolve to investigate the deaths of thousands of young airmen during the Second World War. He began his research in 2000 and by 2003 created aviationresearch.co.uk to document the operational training units of Bomber Command.

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Kim Barnas is a recognized authority in creating fully integrated leadership in hospitals around the world. She is the current CEO of Catalysis, a former hospital president, and the author of Beyond Heroes: A Lean Management System for Healthcare, winner of the Shingo Prize in 2014.

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Joseph Barndt is a Lutheran pastor, community organizer, teacher, and writer in the field of race and racism. An anti-racism organizer for over four decades, Brandt has written several books on racism and race relations, including Understanding and Dismantling Racism and Becoming an Anti-Racist Church.

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CWO John G. Barnes is the author of White School, Black Memories.

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