Atanu Biswas is the Professor and Head of the Department of Neurology of Bangur Institute of Neurosciences and Institute of Post Graduate Medical Education & Research (IPGMER), Kolkata. With a teaching experience spanning more than two decades, he has been working for patients and their caregivers of cognitive disorders for the last quarter century. He worked on neuroepidemiology of stroke, dementia and other neurological disorders and co-authored the first study from south Asia on prevalence of Mild Cognitive Impairment. As a collaborator of Global Burden of Disease, he contributed to a multiple publications on burden and future predictions of neurological diseases, stroke and dementia in India, and across the globe. He worked for adaptation and validation of tools in Indian languages and was instrumental in preparing illiterate versions of Addenbrooke Cognitive Examination. He has published several research articles on clinical aspects and genetics of Alzheimer's and other dementia and neurodegenerative disorders. He is engaged in collaborating research with basic scientists on Wilson's disease, Parkinson's and Alzheimer's disease. He is also a member of Parkinson's Research Alliance of India (PRAI), a pan-India research initiative on clinical features and genetics of Parkinson's and other related diseases. Presently he is engaged in validating plasma-based biomarkers of Alzheimer's disease in collaboration with other institutes in the country. He is also a member of the Indian FTD consortium and working of genetics and biomarkers of Frontotemporal dementia. He received grants from several agencies including ICMR, DBT and DST. He has mentored several students of Neurology and some of them are now working at various institutes in India and abroad in the field of cognitive neurology. He has been instrumental in the growth and development of cognitive neurology in the country and currently holding the post of chairperson of Cognitive Neurology subsection of Indian Academy of Neurology.