A center-right politician, he has always been opposed to all extreme or exclusionary attitudes and forms of violent politics, and, instead, has been leaning to liberalism with its advocacy of individual reason and conscience, ability to coexist with democratic programs of other non-exclusive ideologies, and moderation.

Donskis has been an IREX-International Research and Exchanges Board Fellow, a Fulbright Scholar, and a visiting professor of philosophy at Dickinson College in Pennsylvania, US; a Swedish Institute Guest Researcher at the University of Gothenburg and a guest professor of East European studies at the University of Uppsala, Sweden; a Leverhulme Trust Visiting Research Fellow at the University of Bradford, Great Britain; Paschal P. Vacca Chair (distinguished visiting professor) of Liberal Arts at the University of Montevallo in Alabama, US; and a fellow at the Collegium Budapest/Institute for Advanced Study, Hungary.

Until 7 June 2009, Leonidas Donskis acted as professor of political science at Vytautas Magnus University in Kaunas, Lithuania.

From 2005 to 2009, he served as professor and dean of the Faculty of Political Science and Diplomacy at Vytautas Magnus University.

Donskis has been published widely in international refereed journals, and is the author or editor of more than fifty books, some of them in English, including: Donskis’s works originally written in Lithuanian and English have been translated into Danish, Estonian, Finnish, German, Hungarian, Italian, Korean, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish, and Ukrainian.