Jessica Mendoza

Olympic Gold Medalist & First Female MLB Analyst for ESPN

Irwin Redlener

Expert on Disaster Medicine

Mary Roach

TED Speaker & Author Known for "Packing For Mars"

Janine Turner

Actress, Author & Radio Host; Columnist for the Washington Times

Stephen Baldwin

Actor, Producer, Director, Author & Activist

Charles Best

Founder and Former CEO, DonorsChoose.org

From Classroom To Crowdfunding

Soleil Moon Frye

Social Media Expert, Entrepreneur & Eco-Leader; Author of "Happy Chaos"; Alzheimer's Awareness Advocate

Jay Manuel

Former Judge on "America's Next Top Model", Host of Canada's "America's Next Top Model"

Margaret A. Hamburg

Foreign Secretary, National Academy of Medicine; Former Commissioner, US FDA

Kevin Powell

Writer, Humanitarian, President of BK Nation

Shaun Alexander

Former NFL Running Back; 2005 NFL MVP

Tony Plana

Actor & Director Known for "Ugly Betty;" Supporter of Comprehensive Immigration Reform; Advocate for Alzheimer's Disease

Sarah Lacy

Technology Journalist; Founder & CEO of PandoMedia and Chairman Mom

Barbara Ehrenreich

Political Activist & Author of "Nickel and Dimed" and "Living with a Wild God"

Lesley Visser

First Female NFL Analyst to Appear on TV

Jermaine Fowler

Stand-Up Comedian & Actor; Known for "Superior Donuts"

Matthew Quick

Bestselling Author Known For "The Silver Linings Playbook"

Claire Diaz-Ortiz

Author, Speaker, Advisor to Startups & Social Enterprises; Former Leader of Social Innovation at Twitter

Sahar Hashemi

Entrepreneur & Founder of Coffee Republic and Skinny Candy

Robin Meade

Host of HLN's Morning Express, Singer-Songwriter, New York Times Best-Selling Author