For our 13th annual celebration of people who are driving the next generation of technological breakthroughs, we’re presenting the stories in a new way. We’ve grouped them by categories that reflect the variety of approaches that people can take to big problems. The Entrepreneurs are creating businesses that could overturn markets or create new ones.
Dmitri Alperovitch, 32
The cofounder of the security company CrowdStrike wants to help cyberattack victims strike back.
Leah Busque, 33
In the jobless economic recovery, an online labor marketplace thrives. (+video)
Anthony Goldbloom, 30
A startup called Kaggle tries to bring smart people to knotty problems.
Dmitry Grishin, 34
When the Internet was getting big in Russia, he was in the right place at the right time. Now he hopes to do it again with personal robotics.
Ben Milne, 30
Digital payment systems dreamed up in the Web era still piggyback on credit card networks. There ought to be a faster and cheaper way.
Bright Simons, 31
The mPedigree Network, based in Ghana, lets people determine with a text message whether their medicine is legitimate.
Balaji Srinivasan, 33
Screening prospective parents for recessive diseases could be the first big hit in clinical genomics.