| Nikesh Arora |
President, Global Sales Operations & Business Development, Google |
DLD 2010 |
| Samir Arora |
Chairman & CEO, Glam Media |
DLD 2010, DLD 2009, DLD 2008 |
| Michael Arrington |
Founder, TechCrunch |
DLD 2009 |
| Nina Arsenault |
Transsexual writer, artist, actress |
ideaCity 2010 |
| Nadine Artemis |
Co-founder, Living Liberations |
ideaCity 2006 |
| Yann Arthus-Bertrand |
Photographer |
TED2009 |
| Kristen Ashburn |
Photographer |
TED2003 |
| Asimo |
Humanoid Robot, Honda |
DLD 2006 |
| David Asper |
Businessman and lawyer |
ideaCity 2004 |
| Julian Assange |
Editor in chief, Wikileaks |
TEDGlobal 2010 |
| Anthony Atala |
Director, Wake Forest Institute for Regenerative Medicine |
TED2011, TEDMED2009 |
| Ronald Atlas |
Microbiologist for the Exxon Valdez cleanup |
TEDxOilSpill |
| Margaret Atwood |
Writer |
ideaCity 2010, ideaCity 2008 |
| Henry Aubin |
Investigative journalist |
ideaCity 2004 |
| Melissa Auf der Maur |
Musician and artist |
ideaCity 2010 |
| James Auger |
Partner, Auger-Loizeau |
Lift09 |
| Michael Auger |
Journalist |
ideaCity 2001 |
| Bryant Austin |
Whale photographer |
EG10 |
| Lise Autogena |
Artist |
euroGel 2006 |
| Linda Avey |
Founder, 23andMe |
DLD 2008 |