Guy Raz--the coauthor of the #1 New York Times bestseller The How and Wow of the Human Body and the author of the business book How I Built This--has been called "one of the most popular podcasters in history" by the New York Times. He is the cocreator and cohost of the award-winning podcast Wow in the World and is the host and creator of the award-winning podcasts How I Built This and The Great Creators. Guy is the father of two boys and lives in Marin County, where he can often be seen hiking in the Marin headlands with his wife, Hannah, and their dog, Kiki.

Mindy Thomas, coauthor of the #1 New York Times bestseller The How and Wow of the Human Body, has been living out her childhood radio dreams for almost two decades by creating radio and audio programs for kids. She's the cocreator, cohost, and head writer of the award-winning Wow in the World and Two Whats?! and a Wow! podcasts. She is also a Gracie Award-winning host of the Absolutely Mindy Show. Mindy believes that childhood thrives at the intersection of imagination and curiosity and finds that her best work does too. She lives in northern Virginia with her husband and two kids and has no plans of ever growing up.