Angela Ruggiero

Four-Time Ice Hockey Olympic Medalist

Michael Tchong

Entrepreneur, Media Guru & Founder of Ubercool

Mark Lynas

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

Liz Seccuro

Victims' Rights Activist & Author

Shaunti Feldhahn

Author of For Men Only and For Women Only

Rebecca Kiessling

Pro-Life & Adoption Speaker

Heather Gemmen Wilson

Pro-Life, Adoption, and Rape-Recovery Advocate

Jeff Yang

Asian-American Author & Journalist; Research Director and Head of Digital Intelligence Lab at the Institute for the Future

Chris Turner

Author, Sustainability & Global Cleantech Expert

Will Richardson

Author, Blogger & Educator

Richard Hawk

Leading Expert on Workplace Safety

James Woudhuysen

James Woudhuysen, 63, is a physics graduate and Visiting Professor at London South Bank University, UK.

Donna Rice Hughes

Author, Speaker, Film Producer & Internet Safety Advocate; CEO of Enough Is Enough

Where Kids Play, Predators Prey: Protecting Kids Online | Donna Rice Hughes

Jeanne White-Ginder

AIDS Activist, Director of the Ryan White Foundation & Mother of Ryan White

Edward Walters

CEO of Fastcase

Luis Valdez

Founder and Artistic Director of El Teatro Campesino & National Endowment for the Arts Council Member

Gever Tulley

Founder of the Tinkering School & Brightworks School; Author of "50 Dangerous Things You Should Let Your Children Do"

David Strom

Leading Expert on Computer Networking, Author & Educator

Tom Spitale

Customer Relationship Management Expert

Rebecca Sive

Public Affairs Strategist; Nationally Recognized Expert on Women's Issues

Seth Shostak

Senior Astronomer at the SETI Institute & Director of the Institute's Center for SETI Research

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Karen Pittman

Co-Founder & Former Executive Director of the Forum for Youth Investment

Daniel Pipes

Foreign Policy Expert & President of The Middle East Forum

Thomas Perls

Geriatrician & Researcher in Human Exceptional Longevity at Boston University; Principal Investigator of the National Institute on Aging

Susan B. Neuman

Educator, Researcher, and Education Policy-Maker

Laura Liswood

Secretary General, Council of Women World Leaders; Senior Advisor, Goldman Sachs

Jennifer 8. Lee

CEO of Plympton & Author of "The Fortune Cookie Chronicles"; Entrepreneur, Documentary Producer, Seed Investor

Robert Kuttner

Cofounder and Co-Editor of The American Prospect

Lawrence Krauss

Theoretical Physicist, Author & Professor