Brian Krebs

Leading Cybercrime Journalist & New York Times Bestselling Author of "Spam Nation"

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Ichak Adizes

Corporate Performance Expert & Authority on Managing Change

Liz Wiseman

President of The Wiseman Group & Best-Selling Author of "Multipliers"

Sophia Bush

Actress, Humanitarian & Author

Cass Sunstein

Director of the Behavioral Economics & Public Policy Program at Harvard Law School, NYT Best-Selling Author, Former Administrator of the White House Office of Information & Regulatory Affairs

Too Much Information with Cass R. Sunstein, JD

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Sophia Amoruso

International Public Speaker, Founder & CEO of Nasty Gal, Author of "#GIRLBOSS"

I Was A Stripper! A Shoplifter! Then Built A $400m Business!

Dr. Tererai Trent

Internationally Recognized Voices for Quality Education and Women’s Empowerment; Oprah Winfrey's "All-Time Favorite Guest"

Howie Long

NFL Hall of Famer & Superbowl Champion; Fox NFL Sunday Studio Analyst

Dan Pallotta

Founder & President of Advertising for Humanity and the Charity Defense Council; Author of "Uncharitable" and "Charity Case"

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Giuliana and Bill Rancic

Stars of the reality TV show "Giuliana & Bill" on Style Network

Shawn Achor

Harvard Professor, Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"

Jimmy Wales

Founder of Wikipedia & Wikitribune

Charlene Li

Expert on Social Media & Marketing; Author of Bestselling Books "Groundswell" & "Open Leadership"

Dr. Jill Bolte Taylor

Scientist, Author & CEO of My Stroke of Insight, Inc.

Nancy Snyderman, MD

Retired Surgeon & Award-Winning Medical Journalist

Judy Smith

America's Premier Crisis Management Expert; Inspiration for ABC's "Scandal"

Judy Smith - Career Advice

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair