Xiao Yu (Yu), an e-commerce expert, a young columnist and a senior celebrity on the Internet. He used to be the chief operating officer of Haier Sunhengxin Diamond Agency, Ruian Diamond Jewelry Store, chiba jewelry and Jimei Home E-commerce, with e-commerce experience 16 years and practical experience in jewelry e-commerce 10 years. Lecturer of AIESEC International Association of Economics and Business Students, and speaker of TED Global Conference in the United States. Expert consultant of China E-commerce Operation Competition, expert consultant of China Honeysuckle Industry Association, co-founder of OOHDEAR Diamond Gift, president of Pingyi E-commerce Association, and now executive director of Beijing Xiaoyao Consulting Company. Visiting expert lecturers from six universities, including Shandong University, Dongbei University of Finance and Economics and Jiangxi University of Science and Technology MBA, invited expert lecturers from Alibaba and Yomi.com, and invited expert lecturers from Beijing Business School and Beijing Advanced Jewelry College in e-commerce courses. He is recognized by the industry as "the leader of the new generation of e-commerce practitioners in China", "the expert of enterprise strategy and network operation" and "the father of the creation of OOHDEAR Diamond Gift Network".