TED Speakers
Thinkers, doers, idea-generators. These are the speakers who have delivered a talk featured on TED.com, whether at an official TED conference, at one of thousands of independently organized TEDx events, or on another stage altogether.
Speakers
Femi Oke
Broadcaster, journalist

Ory Okolloh
Blogger and activist

Ngozi Okonjo-Iweala
Economist, international development expert

Ndidi Okonkwo Nwuneli
Social entrepreneur and innovator

Nnedi Okorafor
Science fiction writer

Niki Okuk
Entrepreneur

Fredros Okumu
Mosquito scientist
Giles E.D. Oldroyd
Plant scientist

Jamie Oliver
Chef, activist

Fiorenzo Omenetto
Biomedical engineer

Canku One Star
Fancy dancer
Sofia Ongele
Digital disruptor

Rebecca Onie
Health innovator
Sandersan Onie
Global mental health researcher

Qudus Onikeku
Dancer, choreographer
Sheila Ngozi Oparaocha
Energy equity expert

Marily Oppezzo
Behavioral and learning scientist

Ivan Oransky
Health reporter

Mehdi Ordikhani-Seyedlar
AI and machine learning engineer

Peggy Orenstein
Journalist, author

Naomi Oreskes
Historian of science

Kate Orff
Landscape architect
Dean Ornish
Lifestyle medicine pioneer

Alessandra Orofino
Political mobilization activist
Cecilia M. Orphan
Educational equity advocate

Tom Osborn
Mental health innovator

Faith Osier
Infectious disease doctor

DK Osseo-Asare
Designer

Emily Oster
Economist

Adam Ostrow
Journalist