Eduardo Paes is the mayor of Rio de Janeiro, a sprawling, complicated, beautiful city of 6.5 million. He shares four big ideas about leading Rio — and all cities — into the future, including bold (and do-able) infrastructure upgrades and how to make a city “smarter.”

[At] the end of the day, when we talk about cities, we talk about a gathering of people. And we cannot see that as a problem.” (Eduardo Paes)

Full bio of Mayor Eduardo Paes