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.

Dacher Keltner is a professor of psychology at University of California in Berkeley, one of the world's foremost scientists specializing in the study of power, and author of The Power Paradox: How We Gain and Lose Influence.

Sebastian Junger (@sebastianjunger) is a journalist, filmmaker, and bestselling author; he joins us to discuss his latest book Tribe: On Homecoming and Belonging and his experiences covering war for the past 20 years.

For Minisode Monday #13, Presence: Bringing Your Boldest Self to Your Biggest Challenges author and recent guest Amy Cuddy joins us to talk about something a lot of us experience: Imposter Syndrome.

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.

Amy Cuddy (@amyjccuddy) is a social psychologist, TED Talk speaker, and author of Presence: Bringing Your Boldest Self to Your Biggest Challenges.

Bob Burg (@BobBurg) is the co-author of The Go-Giver: A Little Story About a Powerful Business Idea, a parable with dynamic business principles and life lessons that we can all apply with great effect.

We take on roles when interacting with others. But are we in control of the roles we play, or do they come about by default or inaction? Let's find out here -- welcome to the 12th episode of Minisode Monday!

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. Gabriel Mizrahi joins us for this round!

Chris Voss (@VossNegotiation) is a former FBI hostage negotiator and author of Never Split the Difference: Negotiating as If Your Life Depended on It. He joins the show to discuss how we can be more effective negotiators by using hostage negotiation techn