Design and Construction Engineering for Con-Shin Engineering Co. in the NW part of China, led by T.Y. Lin, 1943-1946; Design Engineer, Section Engineer, Taiwan Sugar Co. started with T.Y. Lin. 1946- 1956; Design Engineer, Harley Ellington and Day, Detroit, Michigan, 1957-early 1959; Design Engineer, T.Y. Lin and Associates, Los Angeles, CA, 1959-1960; Chief Engineer, T.Y Lin Kulka and Yang and Associates, 1960-1971; Chief Engineer, Vice President and Chairman of the Board, T.Y. Lin International, 1960-1991;

Chairman, San Francisco Structural Section of the American Society of Engineers, one-term; Founder, Chinese American Institute of Scientists and Engineers; Member, American Society of Civil Engineers (ASCE); Member, American Concrete Institute (ACI); Member, Structural Engineers Association of California; Member, Consulting Engineers Association of California; Member, Chinese Institute of Engineers; Member, American Railway Engineers Association; Member, Pre-stressed Concrete Institute; Chairman, San Francisco Chapter and National Counsel, Chinese-American Institute of Engineers—USA;

BS CE, Tang Shan Engineering College, Chaio Tung University, Hsinchu, Taiwan, 1943; MS CE, University of Michigan, Ann Arbor, MI, 1957.

According to the Committee of 100, ("an organization that brings a Chinese-American perspective to issues concerning Asian Americans and U.S.-China relations"), web site: Y.C. Yang served as the "Chief Engineer and Main Designer of numerous unusual landmark structures, such as column free Moscone Center in San Francisco, the Rio Colorado Bridge in Costa Rica, the Caracos Hippodrome of Venezuela, and the Picturesque Kuan-Du Bridge in Taipei." (See "Y.C. Yang,"Accessed 09/17/2011.)