Ma Xi works for Ecolab Greater China as a director of Marketing. He looks after innovation, product line life cycle and technical support of the water division of the Company. He started his career as a Research Microbiologist with Nalco Pacific R&D in Singapore in 1997. Prior to Nalco, Ma Xi worked as a visiting scientist at the Swiss Federal Institute for Environment (EAWAG). Ma Xi graduated from Nanjing University and holds two Master degrees from the National University of Singapore and Chinese Academy of Science respectively.