Wilton Virgo

Laser Spectroscopist & Author of "Quantum Mechanics in Everyday Life"

Jamie Brewer

Actress Best Known for "American Horror Story"; First Model with Down Syndrome to Walk at NY Fashion Week

Utkarsh Ambudkar

Actor; Best Known for "Pitch Perfect" & "The Mindy Project"

Rachel Campos-Duffy

Parenting Expert, Author, Political Analyst & Fox News Contributor

Jessie Close

Co-Founder, Bring Change To Mind (BC2M); Mental Health Advocate & Author

Jessie Pavelka

Fitness Expert; Former Television Host on NBC’s "The Biggest Loser"

Dr. Kent Brantly

U.S. Medical Missionary for Samitaran's Purse; Ebola Survivor

Anese Cavanaugh

Founder of the IEP Method, Author & Advisor

Tracie Thoms

TV, Film & Stage Actress; Best Known for "Rent," "Cold Case" and "The Devil Wears Prada"

Christine Ha

First Ever Blind Contestant & Winner of "MasterChef;" Entrepreneur; Restauranteur; Author

Chef Christine Ha on defying odds in the food industry

Ellen Kahn

Director of the Human Rights Council’s Family Project

Ginger Zee

Chief Meteorologist for ABC News, Author & Mental Health Advocate

Chasing Helicity: Through the Storm (The Chasing Helicity Series) (Chasing Helicity Ser...

Bill Klein

Motivational Speaker, Star of TLC's "The Little Couple" & Author of "Life is Short"

Matt McGorry

Actor Known for "Orange is the New Black" & "How to Get Away with Murder;" Feminist & Social Change Advocate

Lily Rose Lee (Michelle Knight)

Cleveland Kidnapping Survivor & Author of "Finding Me: A Decade of Darkness, A Life Reclaimed: A Memoir of the Cleveland Kidnappings"

Laura Termini

Venezuelan-American Actress, Producer, Writer and Beauty Blogger

Harry M. Kraemer

Author, Professor of Management & Strategy at Northwestern University's Kellogg School of Management

Eric Mazur

Physicist & Educator at Harvard; Entrepreneur in Technology Start-Ups for the Educational and Photonics Markets

Witney Carson

Emmy-Nominated Professional Dancer from "Dancing with the Stars" and "So You Think You Can Dance"

Rocsi Diaz

Emmy Award-Winning Entertainment Tonight Correspondent; Stars on HLN's "The Daily Share"