Zhijia Wang was born in 1952 in Tianjin, China. He received his Bachelor of Art degree from the Foreign Languages Department, Nankai University in Tianjin, China and his Master of Law degree from Wuhan University in Wuhan, China.
He started to work for the central government in the field of environment in 1976. From 1996 to 2003, he worked as Director General in the Department of International Cooperation and State Environmental Protection Administration of China.
Wang participated and negotiated a number of multilateral environment agreements such as Cartagena Protocol on Biosafety, Rotterdam Convention on Toxic Chemicals. As the representative of China, Wang signed the Final Act of the Montreal Protocol on Ozone Depleted Substance in Montreal, Canada on 16 September 1987 and signed the Final Act of the Rotterdam Convention in Rotterdam, the Netherlands, in 1999.
In 2003 Wang joined UNEP's Division of Regional Cooperation as Deputy Director.
His major publications include: Our Common Future (translation into Chinese) in 1987, China Environmental Diplomacy in 1999, and Dialogue and Cooperation: Global Environment Issues and China Environmental Diplomacy in 2003.
Wang's hobbies include music, Chinese calligraphy and painting, and Chinese antiques.