Wynton Marsalis

Musician; Artistic Director, Jazz at Lincoln Center

Hamdi Ulukaya

CEO, President & Founder of Chobani Greek Yogurt

Walter Robb

Former CEO, Whole Foods Market

Drew Houston

Co-Founder & CEO of Dropbox

David McCullough

Historian and Bestselling Author

Billie Jean King

Former World #1 Professional Tennis Player & Sports Icon; Advocate for Women's Equality

Steve Wozniak

Co-Founder of Apple Computer, Inc.

CeBIT Global Conferences - Keynote Steve Wozniak

Gabrielle Giffords

Retired Congresswoman; Assassination Attempt Victim in 2011; Founder of "Giffords"

Cal Ripken, Jr.

President & CEO Ripken Baseball, Inc.; Baseball "Ironman" and Legendary Shortstop from the Baltimore Orioles

Ripken says he's cancer-free after March surgery

Julie Andrews

Singer, Actress, Author & Humanitarian

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Mitt Romney and Lanhee Chen - Aspen Ideas Festival

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Michael Bloomberg

Former 2020 Democratic Presidential Candidate & Mayor of New York City; Founder of Bloomberg LP & Bloomberg Philanthropies