As the world's most famous (former) hacker, Kevin has been the subject of countless news and magazine articles. Motivated by the quest for personal knowledge and a good challenge, he has penetrated the computer systems of some of the world's largest corporations and has uncovered some embarrassing vulnerabilities. Now he uses his knowledge to help the good guys defend against security threats.

Highlights of Gene's 27 years with NASA include his participation as Flight Director in the Apollo 11 lunar landing, and his leadership of the "Tiger Team" for the successful return of the Apollo 13 crew. Later, he was Director of Mission Operations with responsibilities for all aspects of mission design and spaceflight operations.

Greg Schwem earned a degree in journalism at Northwestern University, and spent five years working as a newspaper and NBC television reporter before quitting his job to pursue his dream of performing stand-up comedy as a career. He does dozens of shows each year, has numerous television appearances to his credit, and has shared the concert stage with the likes of Celine Dion and Jay Leno. He has also emceeded many events, including the prestigious OBIE Awards for the Outdoor Advertising Association of America.