Doctor of mechanical engineering from Duke university, MBA from Seoul university. In 1994, he was listed in "who's who in the world?" He used to be President of quality of South Korea Renault Samsung Automobile, President of quality of Zhejiang Geely holding group co., LTD., and chair professor of Yangzhou university. Mainly engaged in engineering quality management and industry 4.0 technology research, is the automotive quality management, manufacturing productivity and artificial intelligence technology experts.