| Jean Penicaut |
Art restoration expert |
ideaCity 2008 |
| Penn & Teller |
Magicians/comedians |
TED6, TED5, TED4 |
| Josef Penninger |
Genetics investigator |
DLD 2010, ideaCity 2009, ideaCity 2005, ideaCity 2002, ideaCity 2001 |
| Arno Penzias |
Physicist & Nobel laureate |
TED6 |
| Irene Pepperberg |
Researcher of animal-human communications |
ideaCity 2004 |
| Chemi Peres |
Managing General Partner & Co-Founder, Pitango Venture Capital |
DLD 2006 |
| William Perin |
Community activist |
TEDGlobal 2010 |
| Doug Perovic |
Nanoengineer |
ideaCity 2002 |
| David Perry |
Videogame designer |
TED2006 |
| John Perry Barlow |
Co-founder, Electric Frontier Foundation |
ideaCity 2003, TED6 |
| Aaju Peter |
Activist |
ideaCity 2007 |
| Carol Peters |
Founder, daVinci Time & Space |
TED6 |
| Erik Peterson |
Futurist |
TED2006 |
| Felix Peterson |
Founder & CEO, Plazes |
PICNIC '07, DLD 2006 |
| Stephen Petranek |
Editorial Director, Welder History Group |
TEDSalon 2007, TED2002 |
| Gregory Petsko |
Bioengineer |
TED2008 |
| Brad Peyton |
Film director and television producer |
ideaCity 2005 |
| Kelly Joe Phelps |
Singer-songwriter |
Poptech 2007 |
| Bertrand Piccard |
Adventurer |
DLD 2010, TEDGlobal 2009 |
| Philipp Pieper |
CEO, Proximic |
DLD 2010 |