He graduated from law at Charles University in Prague, and then went on to study Human Rights and Democratization in Sarajevo and Bologna. Later on, he was awarded a fellowship at the European University Institute in Florence where he dealt with climate mitigation and adaptation in a transnational context.

Tomáš is also project coordinator in the Centre for Transport and Energy. In the past, he worked as a Policy Officer in the Czech Migration Consortium, an analyst in a political party, manager of election campaigns or as a high-school teacher. He is a member of the Czech Pirate Party.