| Terry Pierce |
Special Advisor for Disruptive Innovations, Department of Homeland Security S&T |
BIF-4 |
| Guy Pignolet |
Researcher, Sunsat Energy Council |
Lift08 |
| Rachel Pike |
Atmospheric chemist |
TEDGlobal 2009 |
| Emily Pilloton |
Founder, Project H Design |
TEDGlobal 2010, PopTech 2009 |
| Pilobolus |
Dance company |
TED2005 |
| Joe Pine |
Consultant and author |
TED2004, Poptech 2002 |
| Daniel Pink |
Author, career analyst |
TEDGlobal 2009, Poptech 2007 |
| Steven Pinker |
Linguist |
TED2007, TEDGlobal 2005, TED2003 |
| Susan Pinker |
Clinical psychologist and newspaper columnist |
ideaCity 2008 |
| Elizabeth Pisani |
Epidemiologist & Director, Ternyata |
TED2010 |
| Shervin Pishevar |
Chairman, CEO & Founder , SGN |
DLD 2010 |
| Valerie Plame Wilson |
Former CIA covert operations officer |
TED2010 |
| Danny Plass |
University of Twente |
TEDxAmsterdam 2009 |
| Mark Pochapin |
Director, Jay Monahan Center for Gastrointestinal Health |
Gel Health 2009 |
| Ernst Poeppel |
Neuropsychologist |
DLD 2006 |
| David Pogue |
Technology columnist, New York Times |
TEDMED2009, EG08, TED2007, TED2006 |
| Laura Poitras |
Oscar-nominated filmmaker of 'The Oath' |
PopTech 2010 |
| Paul Polak |
Founder, International Development Enterprises (IDE) |
PopTech 2008, Poptech 2007 |
| John Polanyi |
Chemist & Nobel laureate |
ideaCity 2007 |
| David Polinchock |
Chief Experience Officer (CXO), Brand Experience Lab |
PICNIC '07 |