| Robert Kortgaard |
Pianist |
ideaCity 2006 |
| Marc Koska |
Inventor |
TEDMED2010, TEDSalon 2010 London, DLD 2010, TEDGlobal 2009 |
| Emlyn Koster |
President & CEO, Liberty Science Center |
TEDMED2010 |
| Zoltán Kovács |
CEO, Kirowski |
DLD 2009 |
| Caroline Kovac |
Managing Director, Burrill & Company |
TEDMED3 |
| Daniel Kraft |
Founder and Chief Medical Officer, StemCor Systems |
TEDMED2009, TED2009 |
| Beth Krasna |
Former venture capitalist & author |
Lift07, Lift06 |
| Joe Kraus |
Co-founder, Excite.com |
TED11 |
| Kai Krause |
Software and UI designer |
TED7, TED6 |
| Lawrence Krauss |
Professor of Physics and Astronomy |
ideaCity 2007 |
| Betty Krawczyk |
Activist and author |
ideaCity 2008 |
| Valdis Krebs |
Founder & Chief Scientist, orgnet.com |
PopTech 2008 |
| Andrian Kreye |
Journalist & author |
DLD 2010 |
| Tariq Krim |
Founder & CEO, Netvibes |
DLD 2007 |
| Tim Kring |
Executive producer of TV show "Heroes" |
DLD 2010 |
| Srivatsa Krishna |
Columnist and civil servant |
TEDIndia |
| Sunitha Krishnan |
Anti-trafficking crusader |
TEDIndia |
| Emory Kristof |
Photographer, National Geographic |
ideaCity 2002 |
| Arthur Kroker |
Media theorist |
ideaCity 2000 |
| Reed Kroloff |
Architecture critic |
TED2003 |