李婴教授2009年从密歇根大学,作为教授加入香港城市大学生物医学系,此外也是:
Deputy director, Center of Biosystem, Neuroscience and Nanotechnology, CityU HK.
Fellow, American Gastroenterological Association (Since 2006)
Honorary Professor, Faculty of Dentistry, The University of Hong Kong
Honorary Professor, Medical School, Beijing University
Guest PI, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences