Ma Tianjie has been involved in policy analysis and environmental advocacy in China for over one and a half decade. He has been a member of the senior management teams at major environmental organizations in China since 2013, and has been a regular commentator of Chinese environmental and policy affairs for Chinese and international media including the Economist, South China Morning Post, China Daily and CGTN. He was an English major at Peking University and later earned his Master’s degree in environmental policy from American University. His areas of interest include China’s overseas footprint, environmental governance and online public opinion.