Stuart Firestein

Scientist; Advocate for the Public Understanding of Science

Sugata Mitra

Professor of Educational Technology; Leading Expert on Global Education Around Peer to Peer

Summer Baltzer

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

Suzanne McMinn

Author of "Chickens in the Road"

T.J. Miller

Actor and Stand-Up Comedian, Currently Starring in HBO's 'Silicon Valley'

Tavis Smiley

Broadcaster, Author, Publisher, Advocate, and Philanthropist

Taya Kyle

Advocate for Military Veterans & Families; Widow of Former U.S. Navy SEAL Chris Kyle

Prayers for Bears: Bailey the Grateful Bear

Ted Allen

Host, "Chopped," Contributor, "The Best Thing I Ever Ate"

Teddy Zee

Film Producer

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Terry McMillan

New York Times Best-Selling Author Known for "Waiting to Exhale" & "How Stella Got Her Groove Back"

Terry Savage

Personal Finance Expert, Investment Advisor, Syndicated Columnist & Bestselling Author

Tess Vigeland

Author, Veteran Journalist & CEO of Tess Vigeland Productions

The Three Doctors

Role Models; Authors; Civic Leaders

Theaster Gates

Director of Arts and Public Life at the University of Chicago; Founder & President of Rebuild Foundation

Thomas Middleditch

Actor, Voice Actor, Comedian, Screenwriter Known for "Silicon Valley"

Thurl Bailey

Former NBA Player & Broadcast Analyst

Tim Arthur

Group CEO of Time Out and BBC London 94.9 Sunday Breakfast Host

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"