Michael R. Bloomberg is a graduate of Johns Hopkins University and Harvard Business School. in 1981, he founded a start-up focused on financial data. After turning it into a global media company, he was elected mayor of New York City for three terms (2002–2013). Since leaving City Hall, he has resumed leadership of Bloomberg. A lifelong philanthropist, his foundation Bloomberg Philanthropies focuses on five main areas: public health, education, the environment, the arts, and government innovation. He also leads a number of coalitions on urgent issues, including climate change, illegal guns, immigration reform, and infrastructure investment.