Cheng Siwei, Chinese engineer, economist, and politician (b. 1935)
Cheng Siwei (June 1935 – 12 July 2015) was a Chinese economist, chemical engineer and politician. He was the Chairman of China Soft Science Research Association; President of the Chinese Society for Management Modernization; Director of the Research Center on Fictitious Economy and Data Science, Chinese Academy of Sciences; Dean of the School of Management of the Graduate University of the Chinese Academy of Sciences and Honorary President of East China University of Science and Technology.

He was also an Adjunct Professor and Doctoral Supervisor of institutions including the Chinese Academy of Sciences, Chinese Academy of Social Sciences, Guanghua School of Management of Peking University, and Nankai University.