Nils Daniel Tarschys, (* July 21, 1943 in Stockholm, Sweden), is a professor of political science at Stockholm University. Tarschys was born into an academic family. Both his parents taught in Swedish universities. He is married and has two daughters. In 1972 he completed his PhD thesis on "Beyond the State. The Future Polity in Classical and Soviet Marxism". He was appointed professor of Eastern European research at Uppsala University in 1983 and professor of political science at Stockholm University in 1985. He served as State Secretary from 1978-79 in the cabinet of Prime Minister Ola Ullsten.