Hana Hayashi

Dr. Hana Hayashi is a co-founder and CEO of Down to Earth, Inc which specializes in research and consulting that maximizes the use of public health and environmental evidence in the real world to create a healthier and more environmentally friendly lifestyle and society.  

Prior to establishing DTE, Hayashi participated in global health promotion and communications projects in both developed and developing countries, and managed public health campaigns at McCann Health, one of the largest global advertising companies, based in NYC. She earned a Bachelor of Arts from the School of Social Sciences at Waseda University, a Master of Education from Boston University, and a Master and Doctor of Science from Harvard T.H. Chan School of Public Health. While at Harvard, she was a scholar of the Joint Japan/World Bank Graduate Scholarship Program.

Hayashi serves as an adjunct instructor at Tokyo Medical and Dental University, a visiting research fellow at the University Tokyo, as well as a researcher at the Society and Health Lab at Harvard T.H. Chan School of Public Health. In 2018, Hana was chosen by the Asia Society as a representative from Japan for the Asia 21 Young Leadership Program, dedicated to fostering networking among leaders in Asia. In 2020, she was selected as Eisenhower Global Women’s Leadership Program Fellow by the Eisenhower Foundation.


In Conversation: Health


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