Tianjie Ma is Managing Editor of China Dialogue’s Beijing office. Before joining China Dialogue, he was Greenpeace’s Program Director for Mainland China. While at Greenpeace, he oversaw the five campaign areas that Greenpeace works on in mainland China, including Climate & Energy, Toxics, Food & Agriculture, Forest and Oceans Protection. He was a regular commentator on China’s environmental challenges contributing to a range of media organizations. He holds a master’s degree in environmental policy from American University, Washington D.C.