| René Obermann |
CEO, Deutsche Telekom |
DLD 2009, DLD 2008 |
| Hans Ulrich Obrist |
Co-Director of Exhibitions & Director of International Projects, Serpentine Gallery |
DLD 2010, DLD 2009, DLD 2007, DLD 2006 |
| Wubbo Ockels |
|
TEDxAmsterdam 2009 |
| Oedipus |
Vice President for Alternative Programming , Infinity Broadcasting |
BIF-1 |
| Stephen N. Oesterle |
Senior Vice-President for Medicine and Technology, Medtronic |
TEDMED2010 |
| Arend Oetker |
Chairman of the Advisory Board , HERO, Lenzburg (Switzerland) |
DLD 2009, DLD 2007 |
| Yeon-ho Oh |
Founder, OhmyNews |
Lift10 |
| Alexis Ohanian |
Co-founder, Reddit |
TEDIndia |
| Naohista Ohta |
Director of Research Institute for Digital Media and Content, Keio University |
PICNIC '07 |
| Tero Ojanperä |
Executive Vice President, Services , Nokia |
DLD 2010, DLD 2008 |
| OK Go |
Renowned indie band & video artists |
PopTech 2010 |
| Ory Okolloh |
Blogger, Mzalendo |
TEDGlobal 2007 |
| Ngozi Okonjo-Iweala |
Nigeria's first female Finance Minister |
TEDGlobal 2007, TED2007 |
| Alexander Olek |
Founder & Chairman, PHORMS-Schools |
DLD 2009 |
| Garrett Oliver |
Brewmaster, Brooklyn Brewery |
Gel 2008 |
| Jamie Oliver |
Chef, activist |
TED2010 |
| John Oliver |
Correspondent/Writer, The Daily Show |
The World in 2010 |
| Chris Oliveros |
Art and literary comics publisher |
ideaCity 2008 |
| Nancy Olivieri |
Professor of Pediatrics |
ideaCity 2001 |
| Fiorenzo Omenetto |
Biomedical engineer |
TED2011 |