Dr. Gagan Saini is a well-trained and highly competent Radiation Oncologist, practicing as a Consultant at International Oncology Centre, Fortis Hospitals, Noida. He attained his MBBS Degree from Seth G S Medical College, Mumbai. Thereafter he obtained his MD and DNB qualifications from the prestigious All India Institute of Medical Sciences, New Delhi. He has received specialized training by some of the international veterans of the field of Radiation Oncology. He has received training at the Montefiore Cancer Center, New York, in Techniques of Stereotactic Body Radiation Therapy (SBRT) for Liver and Lung, Image Guided Radiation Therapy with Gating using 4-D CT Scanner, and Stereotactic Radiosurgery (SRS). He has also obtained training in Image Guided Radiation Therapy (IGRT), Stereotactic Radiotherapy, and Intra-Operative Electron Radiation Therapy for Cancers of Breast (Single-Shot Radiation Therapy), Head and Neck Cancers, and Abdominal Cancers, at University Clinic of Radiotherapy and Radio-Oncology, University Paracelsus, Austria. He holds key memberships in various eminent associations, such as, European Society of Medical Oncology, American Society of Clinical Oncology, American Society of Therapeutic Radiation Oncology, European Society of Therapeutic Radiation Oncology, International Society of Intra - Operative Radiotherapy, Association of Radiation Oncologists of India, and North Zone Association of Radiation Oncologists of India. He has carried out research in various disorders, such as, Breast Cancers, Gastro-Intestinal Cancers, Gynecological Cancers, Genito-Urinary Malignancies, and Pediatric Malignancies. He has also authored several papers in national and international journals.