Fawzia Koofi

Former Member of the Afghan Parliament; International Advocate for Women's Rights

Matt Roloff

Star of "Little People, Big World"

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Alan November

International Leader in Education Technology & Author of NYT Bestseller "Who Owns the Learning?", Founder of November Learning

Sandra Fluke

Lawyer, Social Justice Advocate, Women's Health Expert

Dan Meyer

Exploring the Way We Teach Teachers to Teach Kids

Dale Dougherty

Founder of MAKE Magazine, Creator of Maker Faire, Founder & CEO of Maker Media

Amy Waldman

Journalist, Author, "The Submission"

Monica Pearson

First Female & African-American News Anchor in Atlanta

Teddy Zee

Film Producer

Streeter Seidell

Comedian, Writer for SNL & Contributor to CollegeHumor.com

Bill Dedman

Pulitzer Prize-Winning Investigative Reporter for NBC News; Co-Author, "Empty Mansions: The Mysterious Life of Huguette Clark and the Spending of a Great American Fortune"

Bunker Roy

Founder of Barefoot College

Lois Lowry

Newbery Medal-Winning Author of "Number the Stars" and "The Giver"

Summer Baltzer

Art Director; Host of HGTV's "Design on a Dime"

Olivia Ward

Winner of "Biggest Loser" Season 11

Lou Waters

Aging Expert, Journalist & Former CNN Media Personality; Anchor of "Coming of Age"

Where Are They Now: Lou Waters

Jaslene Gonzalez

Puerto Rican-American Model, TV Host & Winner of America's Next Top Model; Founder of "On Set with Jaslene"

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Joshua Prince-Ramus

Architect & Principal of REX Design Firm