Ethan co-founded AdMaster in 2010 and was responsible for corporate strategy, client and partnership development, management structure and service standard. Soon he led his team to acquire investment from GSR Venture. He is also improving AdMaster’s business by establishing long-term relationship with over 300 leading enterprises, such as Estée Lauder, McDonald's, Volkswagen, P&G, Haier, Phillips and Yili, which helps AdMaster’s revenue grow by about 500% annually. Now AdMaster has become China’s largest independent 3rd party service provider for integrated ad monitoring and evaluation. From 1997 to 2008, started his own business in medical treatment, finance and internet in regions such as Taiwan, Japan, Singapore and South Korea with significant accomplishments. During his career, he accumulated rich experience in medical and beauty projects, commercial real-estate internet leasing and trade, BBS commercialization, high-end artwork management, and other market research projects. His specialties lie in business model design, financial management and business development.