[2] He was director-general of the Industrial Development Bureau prior to serving as political deputy minister of economic affairs from 1992 through 1994.
[6] The Taiwan Solidarity Union suspected Yang of working in China, and disclosed the allegations in 2002.
[7] Subsequently, Yang's Global Strategic Investment Fund was fined by the Ministry of Economic Affairs.
[6][8] In 2010, Yang became the chairman of the China Prosper Investment and Management Company, based in Tianjin.
[9] Yang is a nephew of Rong Yiren, who served as vice president of the People's Republic of China from 1993 to 1998.