Team member

Xiao-Fei Kong, MD, Ph.D
Assistant Professor of Medicine
Principal Investigator

Dr. Kong is a gastroenterologist and a physician-scientist of the Department of Internal Medicine and the McDermott Center for Human Growth and Development at UT Southwestern Medical Center. Dr. Kong grew up in China, completed his clinic and basic science training across three continents. He was trained as an internal medicine resident at Shanghai Jiaotong University (Ruijin Hospital) and Mount Sinai (Queens),followed by a clinical gastroenterology fellow at Columbia University and a clinical scholar at Rockefeller University. Dr. Kong is board-certified in Internal Medicine and Gastroenterology by the American Board of Internal Medicine.

As an attending physician and assistant professor at UT Southwestern Medical Center, Dr. Kong focuses on rare and uncommon clinical scenarios, including severe infection and inflammation of the GI tract, Celiac disease, early-onset gastrointestinal cancers, inborn errors of immunity, and Mendelian disorders affecting digestive organs. Dr. Kong published numerous papers and discoverd several new genetic disorders, including human SPPL2A deficiency, Gain-of-Function STAT1 disorder, and interferonopathy in Down Syndrome. His ultimate goal is to one day alleviate the gastrointestinal problems that humanity is facing through translational research in human genetics and immunology.

Beishi Zheng, MD
-Inborn Errors of Immunity and gastrointestinal cancers


Howard Chung, MD
-Celiac disease and interferonopathy


Siming Sun, B.S



Former team members

Bing Chen, MD
Ao Wang, MD