Dean Kamen landed in the limelight with the Segway, but he has been innovating since high school, with more than 150 patents under his belt. Recent projects include portable energy and water purification for the developing world, and a prosthetic arm for maimed soldiers.
Dame Vivian Hunt's professional journey has taken her from expanding midwifery services in Senegal to helping private, public and third sector leaders across the globe strategize and transform during extraordinary times.
Charles Moore is founder of the Algalita Marine Research Foundation. He captains the foundation's research vessel, the Alguita, documenting the great expanses of plastic waste that now litter our oceans.
TED Fellow Lauren Sallan is a "next generation" paleobiologist applying cutting-edge developments in big data analytics to reveal how evolution happens at the largest scales (macroevolution), particularly in the oceans.
Priti Krishtel wants to reinvent the patent system. A lawyer and veteran of the global access to medicines movement, she is exposing how the failures of the patent system are affecting all of us -- and how we can fix it.