| Hellen Omwando |
Head of Market Intelligence, Royal Philips Electronics |
PICNIC '08 |
| Lisa Oppenheim |
Artist |
DLD 2009 |
| Michael Oppenheimer |
Albert G. Milbank Professor of Geosciences and International Affairs, Woodrow Wilson School & Department of Geosciences, Princeton University |
TEDSalon 2007 |
| James Orbinski |
Doctor & activist |
ideaCity 2006 |
| Javette Orgain |
Family physician and Chairperson, Illinois State Board of Health |
Gel Health 2009 |
| Marina Orlova |
Etymologist and Youtube star |
EG10 |
| Dean Ornish |
President & Founder, Preventive Medicine Research Institute |
TEDMED2009, PopTech 2009, TED2008, TED2006, TED2004, TED4 |
| Achilla Orru |
Lokembe player |
ideaCity 2004 |
| Stefan Oschmann |
Head of MSD Emerging Markets organization , Merck & Co., Inc |
DLD 2010, DLD 2009 |
| Emily Oster |
Economist, University of Chicago |
TED2007 |
| Ralph Osterhout |
Inventor |
EG08, TED9, TED6 |
| Sarah Otterstrom |
Ecologist and biodiversity conservationist |
Poptech 2007 |
| Adrian Owen |
Neuroscientist and expert on consciousness |
PopTech 2010 |
| Neri Oxman |
Founder, MATERIALECOLOGY |
PopTech 2009, BIF-5, DLD 2008 |
| Seyi Oyesola |
Co-developer, CompactOR |
TEDGlobal 2007 |
| Daphne Oz |
Author |
TEDMED2010 |
| Lisa Oz |
President, Ozworks, LLC. |
TEDMED2010 |
| Mehmet C. Oz |
TV Host, Author and Cardiac Surgeon |
TEDMED2010 |
| Aydogan Ozcan |
Professor of electrical engineering, UCLA |
PopTech 2009 |
| Ozomatli |
Musicians |
TED2010 |