| Nour Al-Arda |
Palestinian student |
PopTech 2010 |
| Naïf Al-Mutawa |
Creator of "The 99," an Islamic comic book |
TEDGlobal 2010, PopTech 2009 |
| Pete Alcorn |
Media executive |
TED2009 |
| Igor Aleksander |
Professor Emeritus, Neural Systems Engineering, Department of Electrical and Electronic Engineering, Imperial College, London |
TED6 |
| Zeresenay Alemseged |
Paleoanthropologist |
TEDGlobal 2007 |
| Rafat Ali |
Founder, PaidContent.org |
DLD 2010 |
| Jeremy Allaire |
Founder, Chairman & CEO, Brightcove |
DLD 2009 |
| Robyn Allan |
Entrepreneur |
ideaCity 2001 |
| Will Allen |
Urban farmer |
PopTech 2009 |
| Isabel Allende |
Novelist |
TED2007 |
| Richard Alley |
Geologist |
Poptech 2004 |
| Julia Allison |
Co-Founder, NonSociety.com |
DLD 2009 |
| Marla Allison |
Artist |
BIF-6 |
| William Alsop |
Architect |
ideaCity 2009, ideaCity 2003 |
| Walter Alvarez |
Geology professor, UC Berkeley |
EG10 |
| Suroosh Alvi |
Journalist & filmmaker |
ideaCity 2001 |
| Mariano Amartino |
Consultant, entrepreneur, and blogger , uberbin.net |
DLD 2009 |
| Massoud Amin |
Security expert |
PopTech 2009 |
| Vijay Anand |
Creator of the '0 Rupee' Note |
PopTech 2010 |
| Adrian Anantawan |
Virtuoso violinist |
ideaCity 2002 |