Gates, Arden, Mueller top FORTUNE's list of "World's Greatest Leaders"
Bill and Melinda Gates pose in front of the Elysee Palace after receiving the award of Commander of the Legion of Honor. Photo: Frederic Stevens/Getty Images
FORTUNE's 6th annual list of the World's Greatest Leaders is the home of the brave — thinkers, speakers, and doers make bold choices and take big risks.
1. Bill and Melinda Gates ("Transforming Life for Billions")
2. New Zealand Prime Minister Jacinda Ardern
3. Special counsel Robert Mueller
4. Tencent founder and CEO Pony Ma
5. Microsoft CEO Satya Nadella
6. Greta Thunberg, Swedish student and climate activist
7. Margrethe Vestager, European Union competition commissioner
9. José Andrés, chef and CEO, World Central Kitchen
10. Walmart CEO Doug McMillon and Lisa Woods, Walmart senior director specializing in healthcare design
14. Apple CEO Tim Cook
18. The Pink Wave: 42 newly elected women in Congress