"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist
The mind-blowing science of black holes
TV Personality & Fashion Designer; Best Known for "Queer Eye for the Straight Guy"
Co-Founder of Apple Computer, Inc.
CeBIT Global Conferences - Keynote Steve Wozniak
Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO
Mitt Romney and Lanhee Chen - Aspen Ideas Festival
Creative Marketing Expert & Business Speaker
Historian and Bestselling Author
Former CEO, Whole Foods Market
Walter Robb, Co-CEO of Whole Foods Market