| | Television Appearances | |
| The Oprah Winfrey Show |
| The Ellen DeGeneres Show |
| The Tonight Show with Jay Leno |
| ESPN's World Series of Poker |
| Guinness World Records Primetime |
| Good Morning America |
| Good Morning Canada |
| Good Morning Australia |
| The Today Show |
| Dateline NBC |
| CNN Daywatch |
| Fuji TV Unbelievable (Japan) |
| Discovery Channel's 'More Than Human' |
| The 700 Club |
| Primetime America |
| Regis & Kathy Lee |
| How'd They Do That? |
| |
| | Infomercials | |
| Amazing Discoveries with Mike Levy |
| Mega Math with Kevin Trudeau |
| Math Magic and Math Magic for Kids |
| Turn on the Human Calculator in You |
| |
| | Radio Appearances | |
| Coast to Coast AM with Art Bell and George Noory |
| The Howard Stern Show |
| Larry King Live Radio Show |
| USA Today Radio Show |
| |
| | Corporate Appearances | |
| NASA |
| IBM |
| Microsoft |
| Qwest Communications |
| Polaroid |
| Blue Cross/Blue Shield |
| Kraft |
| Unocal |
| NetPro |
| Math Counts |
| Software Publishers |
| Tony Robbins Seminars |
| The Smithsonian Institute |
| National Council of Teachers of Mathematics |
| Amsterdam National Math Convention - Keynote Speaker |
| |
| | ***Thousands of Schools Throughout the World*** | |