Yongxin Zhang, CEO and president of Zyxell Inc., graduated from Beijing Medical University (Beijing, China) for his MD in 1983 and Ph.D. in 1989, and completed his postdoctoral training in Baylor College of Medicine (Houston, USA) in 2004 for molecular virology and immunology. In these periods, his studies include HIV vaccine and Immunological detection of HIV infection. He worked as a physician in china for more than 10 years before he came to US and he worked for Methrogen Inc., Regenetech Inc, and several other companies as a senior scientist or director of research for over 10 years. 

Immunology, Microbiology, cell transplantation, stem cell technology and bioreactor development.