Tony Orlando

Lead Singer of Tony Orlando and Dawn

Rocsi Diaz

Emmy Award-Winning Entertainment Tonight Correspondent; Stars on HLN's "The Daily Share"

Shane Tallant

Television Host; Former Host of HGTV's "Designed to Sell"

Tracie Thoms

TV, Film & Stage Actress; Best Known for "Rent," "Cold Case" and "The Devil Wears Prada"

Bethany Joy Lenz

Actress, Singer-Songwriter & Filmmaker; Known For "One Tree Hill"

Kerri Pomarolli

Stand-Up Comedian, Actress & Author

Stephen Trachtenberg

Authority on Higher Education, former President of George Washington University

Sung Won Sohn

Businessman and Economist

Steven Brill

Award-Winning Journalist and Author

George P. Bush

Politician & Land Commissioner of Texas

Larry Brudnicki

Real Life Coast Guard Captain in The Perfect Storm Rescue

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Matthew C. Nisbet

Professor of Communication, American University

Sheryl Swoopes

3-Time WNBA MVP & Olympic Gold Medalist

Don Reynolds

Real World Economist

Christopher Grace

Magician & Corporate Entertainer Coined as "The Sherlock Holmes of Mind Reading"

Blair Underwood

Award-Winning Actor & Producer

Marshawn Evans

Performance Strategist & Author

The Bornsteins

Award-winning Magicians & Mind-Reading Duo

Jimmy Kimmel

Talk Show Host & Comedian Known For ABC's "Jimmy Kimmel Live"