Sihai Fang, professor of economics and finance, doctoral supervisor in financial engineering, chief economist and chief financial engineer in the industry, and president of Jiufang Quancke Macro Research Institute. He has presided over many projects of the National Natural Science Foundation of China, key projects of the Ministry of Education and system projects of the China Securities Regulatory Commission. Author of "Research on Broad Investment and Macro Finance", "Investment Value in Commodity Futures" (translation), "Research on Index Investment and Financial Engineering", "Macroeconomic Analysis from the Perspective of Business Operators", "Venture Investment and Entrepreneurship" "Board", "Dialogue with Venture Capital Masters" (translation), etc., and published more than 200 independent research reports. He has published dozens of academic papers in mainstream international academic journals, academic conferences and top domestic academic journals, and has been ranked in the TOP10 of the American Social Science Research Network many times. A native of southern Anhui.