Born 1978 in Kobe, Hyogo Prefecture, Japan, Karasawa graduated from the Faculty of Letters, Keio University in March 2002, and completed his PhD (Doctor of Philosophy) at the Graduate School of Social Sciences, Waseda University in July 2012. Grant-in-aid researcher for the 1st Minakata Kumagusu Research Encouragement Project. After working as a JSPS Research Fellow (DC-2 [Philosophy and Ethics]) and as an assistant professor at the School of Social Sciences, Waseda University, she is currently an associate professor at the Department of Arts & Roots, Faculty of Fine Arts, Akita Public Art University and the Graduate School of Complex Arts.
He specialises in philosophy and cultural anthropology. In particular, he explores the fundamental 'way of being' of folklore, religion and culture that has been built up by mankind through the thought of the intellectual giant Minakata Kumagusu (1867-1941). In recent years, he has also been conducting comparative research on Kumagusu and artistic thinking, as well as on the contemporary potential of Kegon thought.In 2019, he was awarded the 13th Yasuo Yuasa Writing Prize.