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Justin Gregg

Bestselling Author, Scientist, and Performer

Justin Gregg
  • Transforms cognitive science into comedy-rich, interactive experiences that engage audiences while delivering unforgettable insights on human behavior
  • Reveals how our instinct to anthropomorphize influences decision-making, leadership, marketing, and empathy—with practical tools to harness or counteract it
  • Blends rigorous research with performance artistry, using humor, multimedia, and improv to make complex ideas accessible, entertaining, and deeply resonant
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Justin Gregg

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About Justin Gregg

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Dr. Justin Gregg is a scientist, bestselling author, and entertainer who transforms complex ideas about human and animal behavior into unforgettable, laugh-out-loud learning experiences.

He is the author of the bestseller If Nietzsche Were a Narwhal: What Animal Intelligence Reveals About Human Stupidity and Humanish (Little, Brown, 2025), a wildly entertaining exploration of why humans can’t help but anthropomorphize — and how embracing this quirky tendency can actually make us better leaders, marketers, and humans.

A dolphin cognition researcher with the Dolphin Communication Project and an adjunct professor at St. Francis Xavier University, Justin lectures on animal cognition. He holds a PhD in Psychology from Trinity College Dublin, specializing in dolphin social cognition, with his academic work published by Oxford University Press (Are Dolphins Really Smart?) and in peer-reviewed journals.

As a science writer, Justin’s articles have appeared in The Wall Street Journal, Scientific American, Slate, Salon, Aeon Magazine, BBC Focus, and his blog with Psychology Today. He is a trusted voice in science communication, featured on major media platforms like CBS Mornings, ABC Prime Live, CBC Ideas, Ologies with Alie Ward, ReThinking with Adam Grant, and The Daily Stoic with Ryan Holiday.

On stage, Justin combines science with comedy in interactive keynotes and theatrical one-person shows, featured at events like The Hay Festival of Literature & Arts. Drawing from his experience as an improv teacher, voice actor, and stage performer, Justin delivers presentations that are both thought-provoking and highly entertaining, complete with humor, multimedia, and audience participation.

In addition to his science communication work, Justin produces and hosts multiple podcasts, including The Dolphin Pod , Why Are People Watching This?, and Let’s Talk Antigonish. He has voiced characters in animated films, produced radio plays, and released three albums with the ECMA and Music Nova Scotia award-nominated children’s group Bingly and the Rogues.

He also fronts a Nova Scotia-based punk rock band (Minivans) and teaches improv workshops that help organizations and communities unlock creativity, collaboration, and resilience.

Whether on stage, on the page, or in front of a microphone, Justin Gregg helps audiences rethink what it means to be human through the unexpected lens of animals, AI, and the weird but wonderful world of creativity.

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Video Gallery

Justin Gregg: Humanish Promo

Justin Gregg: CBS Morning

Justin Gregg: Speech Clip

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Justin Gregg: Humanish Promo

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Justin Gregg: CBS Morning

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Justin Gregg: Speech Clip

Speech Topics

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The Future of (Human) Intelligence. What makes human intelligence irreplaceable in an age of artificial intelligence? In this thought-provoking and engaging talk, scientist and bestselling author Justin Gregg explores the unique biological foundations of human cognition that set us apart from both AI systems and animal minds. Drawing on cutting-edge research in cognitive psychology and his research into dolphin cognition and behavior, Justin reveals why creativity, imagination, and meaning-making remain distinctly human—and why these capabilities will become more valuable, not less, as AI transforms our world.

Don’t Think, Do: How Improv Transforms Teams and Unlocks Creativity. What if the secret to better collaboration, faster innovation, and thriving in uncertainty was hidden in a simple improv exercise? In this interactive and hilarious session, scientist, performer, and bestselling author Justin Gregg reveals how the principles of improvisational comedy can transform the way teams communicate, create, and solve problems together.

Humanish Wisdom: How Anthropomorphism Shapes Our Behavior. Why do we apologize to our cats, feel guilty throwing away childhood toys, or find ourselves bonding with our robot vacuum? In this eye-opening and entertaining talk, scientist and bestselling author Justin Gregg reveals how one of humanity’s oldest psychological quirks secretly influences nearly every decision we make. Drawing on cutting-edge research from his book Humanish, Justin explores our universal tendency to see human-like qualities in everything around us, and shows how understanding this bias can transform our relationships with animals, technology, and each other.

The Future of Science Communication: Why Authenticity and Vulnerability Wins. At a time when trust in science and universities faces unprecedented challenges, how scientists communicate matters more than ever. But effective science communication isn’t about starting a TikTok or launching a newsletter—it’s about showing up as a human being whenever you engage with the public. Drawing on his own journey as a scientist and science communicator with expertise spanning dolphin behavior, linguistics, psychology, and the arts, bestselling author Justin Gregg makes the case for vulnerability and authenticity in science communication. Through examples of communicators who lead with humanity and humility, he’ll show why dropping the “expert scientist” facade is the key to making people receptive to scientific ideas.

Humanish Live: The Science Comedy Show That Will Change How You See the World. Based on his book Humanish, bestselling author and performer Justin Gregg brings his signature blend of science, storytelling, and comedy to the stage in this unforgettable one-person show. Using multimedia, props, and audience participation, Justin takes audiences on a hilarious journey through the weird world of anthropomorphism, exploring why humans see faces in toast, talk to their cats, and fall in love with their cars.

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