Dr Supriya Mallick is a radiation oncologist by training, completed his residency training from AIIMS, New Delhi, India and thereafter he joined National Cancer Institute, AIIMS, New Delhi as associate professor. Neuro-oncology and breast oncology is his area of expertise. He has authored nearly 100 articles in national and international peer reviewed journals and edited books "Practical Radiation Oncology" and "Evidence based Practice in Neuro Oncology ''. He serves as editor and reviewer of many reputed journals. Dr. Chitresh Kumar Sharma is a Breast and Endocrine Surgeon by training, completed his M.S. (General Surgery) from IMS, BHU, Varanasi and M.Ch. (Endocrine Surgery) from SGPGIMS, Lucknow, India. After surgical training he joined National Cancer Institute, Jhajjar as an assistant professor of surgical oncology and presently he is working as Additional Professor and Head of the department of surgical Oncology at All India Institute of Medical Sciences, Bilaspur (H.P.).. He has authored several scientific papers in national and international peer reviewed journals.. He also serves as editor and reviewer of many reputed journals. He is an active member of several national and international cancer societies.