| Andreas Raptopoulos |
Founder, FutureAcoustic |
TEDSalon 2009 London |
| Hani Rashid |
Architect |
ideaCity 2001 |
| Karim Rashid |
Industrial designer |
ideaCity 2000 |
| Andrew Rasiej |
Founder and publisher, Personal Democracy Forum |
Gel 2006, Poptech 2004 |
| Lola Rasminsky |
Founder & director, Avenue Road Arts School |
ideaCity 2004 |
| Firoz Rasul |
Former CEO, Ballard Power Systems |
ideaCity 2000 |
| Carlo Ratti |
Architect and MIT instructor, MIT SENSEable City Lab |
TED2011, PopTech 2010, Lift09, DLD 2009 |
| Ernst Raue |
Member of the Board, Deutsche Messe AG |
DLD 2006 |
| Thulasiraj Ravilla |
Vision activist |
TEDIndia |
| Tom Ray |
Evolutionary biologist |
TED6 |
| Eddi Reader |
Singer-songwriter |
TED2003 |
| Eddi Reader |
Singer-songwriter |
TED2003 |
| Horst Rechelbacher |
Eco-chic entrepreneur |
TEDIndia |
| Steven Rechtschaffner |
Athlete, producer and creative director |
ideaCity 2006 |
| Rafaël Redczus |
|
TEDxAmsterdam 2009 |
| Viviane Reding |
EU Commissioner for Information Society and Media |
DLD 2009, DLD 2008, DLD 2006 |
| Irwin Redlener |
Co-founder, Children's Health Fund |
TED2008 |
| Johan Redström |
Design Director, TII Sweden |
PICNIC '07 |
| Arne Rees |
VP International Development, ESPN |
DLD 2009 |
| Sir Martin Rees |
Astronomer Royal of the United Kingdom |
TEDGlobal 2005 |