Ivan Koltsov is a stroke neurologist and researcher. He graduated in Medicine from Pirogov Russian National Research Medical University (RNRMU), Moscow, Russia. He received his Neurology training and completed his postgraduate course in Neurology at Neurology, Neurosurgery, and Medical Genetics Department of RNRMU. He is a board-certified Neurologist.

Ivan Koltsov started his scientific career as a laboratory assistant and then a junior researcher at the Cerebrovascular Diseases Laboratory of the Neurology, Neurosurgery, and Medical Genetics Department of RNRMU. During his postgraduate course in Neurology, he completed his Ph.D. research on the role of von Willebrand factor and endothelial dysfunction in hypertensive intracerebral hemorrhage. He had received a State scholarship and a Presidential scholarship for Ph.D. students, ESRF/ESC Travel Grants; he won a Junior Researcher Award (2nd place) at the Third National Cardioneurology Congress at the Russian Academy of Sciences in 2018.

Currently, he is a researcher at the Cerebrovascular Diseases Laboratory of the Neurology, Neurosurgery, and Medical Genetics Department of RNRMU. He was a co-investigator in intracerebral hemorrhage and ischemic stroke studies funded by the Ministry of Health of the Russian Federation and in randomized clinical trials, including NAVIGATE ESUS. He is currently studying the role of hemostasis in intracerebral hemorrhage and ischemic stroke.

He was a stroke neurologist at Mytishchi City Hospital until 2020. Having experienced how reperfusion change lives, he believes that making thrombolysis and endovascular treatment more accessible is essential for a good stroke care system.

He currently takes part in several stroke-related projects, including English to Russian article translation for the Russian version of the International Journal of Stroke.