Dr. Poolakkad Sankaran is an oral medicine, dental/oral oncologist and medical scientist with a distinguished educational background. He completed his Dental Surgery training and Oral and Maxillofacial Residency in India, followed by a PG Diploma and MSc in Cancer Survivorship from Cardiff University, United Kingdom. He subsequently obtained his clinical research training (ICRT) and Master of Medical Sciences (MMSc) in Clinical Investigations from Harvard Medical School. He is a practicing oral medicine specialist and dental radiologist in India and Saudi Arabia, and he is proficient in head and neck cancers. Dr. Poolakkad Sankaran has undergone specialized training in palliative and supportive care to treat cancer patients. During this period, he diligently cared for terminally sick cancer patients and assisted their families. Dr. Poolakkad Sankaran's research aims to eradicate gaps in cancer outcomes associated with race, ethnicity, and socioeconomic status in the Buffalo region of Western New York. Dr. Poolakkad Sankaran possesses vast expertise in clinical investigations, encompassing observational study designs and qualitative methodologies, including ethnography and thematic analyses. Moreover, Dr. Poolakkad Sankaran has profound knowledge and proficiency in big-data observational study methodology, outreach research, and machine learning techniques such as lasso, ridge, random forest, and gradient boosting machines.