Russell Brand ("Freedom from Our Addictions") on The Art of Charm with Jordan Harbinger, Walter Isaccson ("Leonardo da Vinci") on the Tim Ferriss Show, and Amy Morin ("13 Things Mentally Strong People Don't Do") on The James Altucher Show—plus a bit from Noah Kagan.

Michael Gervais on the Self Made Man with Mike Dillard, Chris Kresser on the Tony Robbins Podcast, and Srini Pillay on The Art of Charm with Jordan Harbinger.

Reid Hoffman (LinkedIn) on the Tim Ferriss Show & Chase Hughes (Ellipsis Behavior) on The Art of Charm.

Jordan Harbinger (The Art of Charm) on The Rich Roll Podcast, Russell Brunson (ClickFunnels, Expert Secrets) on The Self Made Man with Mike Dillard, and Brendon Burchard on purpose.

Leo Babauta (ZenHabits) on The Rich Roll Podcast, and Vanessa Van Edwards (Captivate) on The Art of Charm with Jordan Harbinger & The School of Greatness with Lewis Howes.

Gary Vaynerchuk on The Aubrey Marcus Podcast, David Munson (Saddleback) on The Self-Made Man with Mike Dillard, & Eric Barker on The School of Greatness with Lewis Howes.

Sam Harris ("Waking Up") on 10% Happier with Dan Harris, Jeff Hoffman (Priceline.com) on The Self-Made Man with Mike Dillard, Douglas Fields ("Why We Snap") on The Art of Charm with Jordan Harbinger.

Debbie Millman (Design Matters) on The Tim Ferriss Show, Tucker Max (Book In A Box) on The James Altucher Show, and Eric Thomas (Breathe University) on the School of Greatness.

Anthony Robbins ("Unshakable") on The James Altucher Show, Jon Levy ("The 2AM Principle") on Bulletproof Radio with Dave Asprey, and Sean Ogle (LocationRebel.com) on The Self-Made Man with Mike Dillard

Dr. Philip Zimbardo (Stanford Prison Experiment) on The Tim Ferriss Show & Yuval Harari (Sapiens, Homo Deus) on The James Altucher Show.

Steven Kotler (Stealing Fire) on The School of Greatness with Lewis Howes, AJ & Johnny on The Art of Charm, and Dr Michael Gregor (How Not to Die) on The Self-Made Man with Mike Dillard.