Inside the Mind of a Great Leader: What Boston's Chief of Staff Learned from Arianna Huffington

17 years ago, Dan Koh kicked off his career in public service by working in sting operations designed to crack down on cigarette sales to minors. He was 12 years old. Today - at just 29 - Dan is Chief of Staff to the City of Boston where he advises the Mayor and helps him execute on his vision for the city.