Dr. Mallika Tewari (MBBS, MS, MCh (Surgical Oncology), MRCSEd), graduated from the Institute of Medical Sciences at Banaras Hindu University with distinction. Presently, she is Chief of the Hepato-Pancreatico-Biliary and Gastrointestinal Division and a Professor at the Department of Surgical Oncology, Institute of Medical Sciences. She has authored more than 100 peer-reviewed international and national publications.  She is the recipient of several prestigious international fellowships such as the UICC ICRETT, International Guest Scholarship of the American College of Surgeons, and European Society of Surgical Oncology travelling fellowship. She is an executive member of the World Federation of Surgical Oncology Societies (WFSOS) and Indian Association of Surgical Oncology (IASO). Further, Dr. Tewari is a reviewer for several international scientific journals and associate editor and editorial board member for the Indian Journal of Surgery.