Guillermo Diaz

Actor, Best Known for Playing Huck on "Scandal"

Madison Lintz

Actress on AMC's "The Walking Dead" and ABC's "Nashville"

Nontombi Naomi Tutu

Race, Gender & Human Rights Activist; Daughter of Desmond Tutu

Larry Brudnicki

Real Life Coast Guard Captain in The Perfect Storm Rescue

Ruby Payne

Founder of aha! Process, Inc. & Author of "A Framework for Understanding Poverty"

Barbara Bartlein

Workplace culture and productivity expert

Lance Secretan

Top Leadership Speaker & Former CEO of a Fortune 200 company

Stacey Bess

Award-Winning Educator; Keynote Speaker; Advocate for Homeless Youth

Dewitt Jones

Motivator & Photojournalist

Sam Silverstein

Organizational Culture Expert, Founder of The Accountability Institute™ & Creator of The Culture Audit™

Jeff Havens

Growth Expert & Author

Meagan Johnson

Generational Expert

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Heather Thomson

Entrepreneur, Philanthropist, Designer, Podcaster & TV Personality

Howard A. Tullman

Executive Director of the Kaplan Institute at Illinois Tech & Former CEO of 1871

Lee Strobel

Best-Selling Author; Atheistic Journalist-Turned-Apologist

Eric Bryant

Author & Church Leader

Leonard Mlodinow

Theoretical Physicist, Author, Recognized for Groundbreaking Discoveries in Physics

Peter Shankman

Thought-Leader in Communication & Customer Service

Robert Atkinson

Founder & President of the Information Technology and Innovation Foundation

Ayah Bdeir

Former CEO & Founder of littleBits

"Science Bob" Pflugfelder

Science Communicator, Teacher, Author & Television Personality

Todd Martin

CEO of Designate, International Tennis Hall of Fame, Tennis Icon, Professional Tennis Coach & Mentor

Viktor Mayer-Schönberger

Co-Author of “Big Data" and "Delete;" Expert on the Networked Economy

Rachel Haot

Former Executive Director of Transit Innovation Partnership & Chief Digital Officer for the City of New York

Dana Cowin

Host of the podcast 'Speaking Broadly.' Culinary connector & Consultant. Former Editor-in-Chief, Food & Wine Magazine.

Timothy Patrick McCarthy

Award-Winning Scholar, Educator & Human Rights Activist; Faculty Member at Harvard University's Graduate School of Education and John F. Kennedy School of Government

Reckoning with History: Unfinished Stories of American Freedom

Missy Robertson

Star, A&E's "Duck Dynasty"

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Matt Chandler

Author & Lead Pastor at The Village Church