Mike Bloomberg(@MikeBloomberg):For the past decade, I've had the opportunity to share lessons from my 12 years in New York City Hall with hundreds of mayors through @BHcityleaders. This is our 10th class, and this month, 46 mayors from 15 countries will come together to begin learning from one another and working with Bloomberg @CenterforCities at @Harvard faculty & policy experts to help them better tackle the challenges their residents care about most.

Mike Bloomberg

@MikeBloomberg

Entrepreneur, philanthropist, UN Special Envoy on Climate Ambition & Solutions, WHO Amb. for NCDs & Injuries, mayor of NYC, father, grandfather, and data nerd.

Joined October 2008

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Mike Bloomberg@MikeBloomberg

2026.07.13 15:53

For the past decade, I've had the opportunity to share lessons from my 12 years in New York City Hall with hundreds of mayors through @BHcityleaders. This is our 10th class, and this month, 46 mayors from 15 countries will come together to begin learning from one another and working with Bloomberg @CenterforCities at @Harvard faculty & policy experts to help them better tackle the challenges their residents care about most.