Adam Braun is the founder of school-building Pencils of Promise and bestselling author of The Promise of a Pencil. He joins us to discuss his new project, MissionU, and how it aims to update higher education for the 21st century.

Chris Hadfield is an engineer, former Royal Canadian Air Force fighter pilot, retired astronaut, the first Canadian to walk in space, and author of An Astronaut's Guide to Life on Earth and The Darkest Dark.

In this Minisode Monday, we show how making a small change in how we treat people we meet promotes a mindset shift in the way we're perceived and the way we perceive ourselves.

Time for Fan Mail Friday, where we'll be answering your questions and dropping some knowledge and feedback to help you kick the weekend off right.

Nick Bilton is a special correspondent for Vanity Fair, a contributor to CNBC, a former columnist and reporter for The New York Times, and author of American Kingpin: The Epic Hunt for the Criminal Mastermind Behind the Silk Road.

Dean Karnazes is most famous for running fifty marathons in fifty states in fifty days, but he's also a bestselling author; his recent book is The Road to Sparta: Reliving the Ancient Battle and Epic Run That Inspired the World's Greatest Footrace.

In this Minisode Monday, we talk about success momentum: small wins that increase confidence and resilience over time and add up to big wins.

Time for Fan Mail Friday, where we'll be answering your questions and dropping some knowledge and feedback to help you kick the weekend off right.

David Eagleman is a Stanford neuroscientist, host of Emmy-nominated PBS/BBC series The Brain, and author of Incognito: The Secret Lives of the Brain and The Brain: The Story of You.

Bryan Callen is an actor, comedian, and podcaster who grew up traveling the world. He holds a blue belt in Brazilian Jiu Jitsu, is certain of comedy's power to change the world, and is older than you probably think he is.